Practice Location

3334 CAPITAL MEDICAL BLVD
TALLAHASSEE, FL 32308-4470

Phone: (850) 877-8174

What does DAVID BELLAMY research?

David A. Bellamy studies the immune responses generated by various malaria vaccines, including the R21/Matrix-M vaccine, which aims to prevent malaria infections, especially in infants and children. His research explores how factors like vaccination doses and timing affect immune memory and antibody production, providing crucial insights for developing more effective malaria vaccines. Additionally, he evaluates the safety and efficacy of vaccine disinfection technologies to ensure patient health in clinical environments, significantly impacting healthcare practices.

Key findings

  • The R21/Matrix-M vaccine showed a 100% effectiveness in preventing malaria when parasites were injected into the bloodstream in a clinical trial.
  • In another study, infants had their antibody levels rise from 1.1 to over 10,000 after receiving the R21 vaccine doses.
  • The R21/Matrix-M malaria vaccine could prevent approximately 181,825 clinical cases of malaria per 100,000 vaccinated children in areas with consistent malaria transmission.

Frequently asked questions

Does Dr. Bellamy study malaria vaccines?
Yes, Dr. Bellamy focuses on malaria vaccines, especially the immune responses they generate in children and adults.
What treatments has Dr. Bellamy researched?
He has researched the R21/Matrix-M malaria vaccine and its effectiveness, as well as techniques for disinfecting medical equipment.
Is Dr. Bellamy's work relevant to children at risk of malaria?
Yes, his research is aimed at optimizing malaria vaccines for children, who are particularly vulnerable to the disease.
How does Dr. Bellamy's work impact healthcare safety?
He evaluates the performance of disinfection devices for ultrasound probes, helping ensure patient safety in clinical settings.
What are some outcomes of the malaria vaccine studies?
His findings have shown strong improvements in immune responses and the potential for significant reductions in clinical malaria cases among vaccinated children.

Publications in plain English

Validation of performance qualification of ultrasound probe high-level disinfection devices in clinical settings.

2026

Infection, disease & health

Bellamy D, Vickery K

Plain English
This study looked at how well different types of machines that disinfect ultrasound probes work in real clinical settings. The researchers tested three devices: a UV-C LED device, a UV-C lamp, and a hydrogen peroxide mist device. They found that the hydrogen peroxide mist device was effective in killing harmful spores in all tests, while the UV-C LED failed in all attempts and the UV-C lamp was only partly effective, which raises concerns about patient safety. Who this helps: This helps doctors and healthcare facilities ensure that their equipment is properly disinfected to keep patients safe.

PubMed

Malaria vaccine protection against intradermal or venous parasites: a randomized phase 2b human challenge trial.

2026

Nature medicine

Kapulu MC, Orenge F, Kimani D, Kibwana E, Kibet H +33 more

Plain English
This study looked at how effective malaria vaccines are when the malaria-causing parasites are introduced into the body through different methods: either through the skin (intradermal) or directly into the bloodstream (venous). Researchers found that the R21/Matrix-M vaccine was very effective, preventing malaria in nearly all volunteers when the parasites were injected into the bloodstream (5 out of 5), but it didn't work as well when the parasites were introduced through the skin (only 1 out of 12). This matters because it helps scientists understand how different vaccination strategies can be more effective against malaria infections. Who this helps: This helps patients at risk of malaria, especially in regions where the disease is common.

PubMed

B and T cell responses to pre-erythrocytic R21/Matrix-M and blood-stage RH5.1/Matrix-M malaria vaccines in endemic settings.

2026

Frontiers in immunology

Bundi CK, Muñoz O, Kibwana E, Bellamy D, Stockdale L +18 more

Plain English
This study looked at how different vaccination strategies affect the immune responses of infants and children to malaria vaccines R21/Matrix-M and RH5.1/Matrix-M. The researchers found that babies had a stronger immune response to the R21 vaccine when given a higher dose and that delaying boosters for the RH5.1 vaccine led to better immune memory. These findings are important because they show how vaccination strategies can be optimized for better protection against malaria, especially in young children. Who this helps: This helps young patients and the healthcare providers who treat them.

PubMed

R21 in Matrix-M adjuvant in UK malaria-naive adult men and non-pregnant women aged 18-45 years: an open-label, partially blinded, phase 1-2a controlled human malaria infection study.

2025

The Lancet. Microbe

Venkatraman N, Silman D, Bellamy D, Stockdale L, Bowyer G +26 more

Plain English
This study looked at a new malaria vaccine called R21, which was tested on healthy adult volunteers in the UK who had never been exposed to malaria. The researchers found that the standard three-dose version of the vaccine offered strong protection, with 82% (9 out of 11) of participants remaining free from malaria after being intentionally infected. This is important because it shows R21 has the potential to protect vulnerable populations, especially young children in malaria-prone areas. Who this helps: This helps patients, particularly young children in regions where malaria is common.

PubMed

Validation of a multiplexed immunoassay for immunological analysis of pre erythrocytic malaria vaccines.

2025

NPJ vaccines

Stockdale LK, Provstgaard-Morys S, Bellamy D, Woods D, Rapi K +6 more

Plain English
The researchers developed and tested a new blood test to measure immune responses to a malaria vaccine called R21/MatrixM. They found that this test provided reliable results and showed strong agreement with another established test, with a correlation coefficient of 0.89 in one trial. This is important because having a validated test helps monitor the effectiveness of the vaccine in clinical trials, potentially leading to better malaria prevention strategies. Who this helps: This helps patients at risk of malaria and the doctors working to vaccinate them.

PubMed

The anti-circumsporozoite antibody response to repeated, seasonal booster doses of the malaria vaccine RTS,S/AS01.

2025

NPJ vaccines

Ali MS, Stockdale L, Sagara I, Zongo I, Yerbanga RS +30 more

Plain English
This study looked at how well the RTS,S/AS01 malaria vaccine works when children receive repeated booster shots, especially before the rainy season when malaria is most common. Researchers found that after three initial vaccine doses, the antibody response was strong (368.9 IU/mL), but after four yearly booster doses, it was lower (128.5 IU/mL). Still, children with higher antibody levels after vaccination showed fewer malaria cases, indicating the vaccine remains effective even as antibody levels drop. Who this helps: This benefits young children in malaria-endemic areas, as they can be better protected against malaria.

PubMed

Vaccine-induced responses to R21/Matrix-M - an analysis of samples from a phase 1b age de-escalation, dose-escalation trial.

2025

Frontiers in immunology

Bundi C, Bellamy D, Kibwana E, Nyamako L, Ogwang R +11 more

Plain English
This study looked at how the R21 malaria vaccine, combined with an ingredient called Matrix-M, affects people of different ages. Researchers found that while all age groups (adults, children, and infants) generated immune responses, adults had significantly lower antibody levels than children and infants. Specifically, the children’s antibody levels decreased more quickly over time, and a higher dose of the adjuvant led to better immune responses in infants. Who this helps: This benefits researchers and vaccine developers working on better malaria vaccines for children and infants.

PubMed

R21/Matrix-M malaria vaccine drives diverse immune responses in pre-exposed adults: insights from a phase IIb controlled human malaria infection trial.

2025

Frontiers in immunology

Kibwana E, Bundi C, Kimani D, Nyamako L, Keter K +17 more

Plain English
Researchers studied the R21/Matrix-M malaria vaccine to see how it affects the immune response in adults who have some prior exposure to malaria. They found that the vaccine boosted the levels of protective antibodies, including IgA, IgM, and IgG, which are important for fighting off infections. Specifically, the IgG response was strong and diverse, indicating that the immune system was well-prepared against malaria, which is crucial for improving protection in people who have been exposed to the disease before. Who this helps: This helps adults in malaria-endemic areas, especially those with previous malaria exposure.

PubMed

Repertoire, function, and structure of serological antibodies induced by the R21/Matrix-M malaria vaccine.

2025

The Journal of experimental medicine

McDaniel JR, Voss WN, Bowyer G, Rush SA, Spencer AJ +10 more

Plain English
Researchers studied how the R21/Matrix-M malaria vaccine affects the immune response in children at risk of malaria. They found that the vaccine prompts the body to produce specific antibodies that target the malaria parasite and can block its entry into cells. These antibodies were found to be consistent and effective, which is promising for preventing malaria in young children. Who this helps: This helps children living in areas with high malaria risk.

PubMed

The public health impact and cost-effectiveness of the R21/Matrix-M malaria vaccine: a mathematical modelling study.

2024

The Lancet. Infectious diseases

Schmit N, Topazian HM, Natama HM, Bellamy D, Traoré O +24 more

Plain English
Researchers studied the R21/Matrix-M malaria vaccine to see its impact and cost-effectiveness for children living in sub-Saharan Africa. They found that this vaccine could prevent about 181,825 clinical cases of malaria per 100,000 vaccinated children in areas with consistent malaria transmission and even more in seasonal settings. With a cost of $3 per vaccine dose, it was shown to be economically efficient, costing around $7 to prevent one case of malaria. Who this helps: This benefits children at risk of malaria in sub-Saharan Africa.

PubMed

Fabrication and Characterization of Quad-Component Bioinspired Hydrogels to Model Elevated Fibrin Levels in Central Nervous Tissue Scaffolds.

2024

Gels (Basel, Switzerland)

Diaz-Lasprilla AM, McKee M, Jimenez-Vergara AC, Ravi S, Bellamy D +6 more

Plain English
The researchers created special gels that mimic human brain tissue to study how high levels of fibrin—a protein involved in blood clotting—affect brain cells. They developed these gels using a mix of different natural materials, which allowed the gels to simulate the properties of damaged brain tissue, similar to what's found in diseases like Alzheimer’s and Parkinson's. Their findings showed that these gels could support the growth of brain cells without being toxic, making them useful for understanding brain inflammation and related conditions. Who this helps: This helps patients with neurological diseases and their doctors by providing better models to study brain disorders and potential treatments.

PubMed

Assessment of ChatGPT success with specialty medical knowledge using anaesthesiology board examination practice questions.

2023

British journal of anaesthesia

Shay D, Kumar B, Bellamy D, Palepu A, Dershwitz M +3 more

PubMed

Correlations between three ELISA protocols measurements of RTS,S/AS01-induced anti-CSP IgG antibodies.

2023

PloS one

Mugo RM, Orindi B, Shee FM, Bellamy D, Mwacharo J +3 more

Plain English
This study looked at how three different testing methods measure the antibodies produced by a malaria vaccine called RTS,S/AS01 in children. Researchers tested samples from 196 children and found that the results from the different methods were very similar, showing strong agreement with correlation scores above 0.93. These findings are important because they support the idea that we need a standardized way to measure these antibody levels, which can help compare the effectiveness of different malaria vaccines. Who this helps: This helps vaccine developers and researchers working on malaria treatments.

PubMed

Proficiency tests to evaluate the impact on assay outcomes of harmonized influenza-specific Intracellular Cytokine Staining (ICS) and IFN-ɣ Enzyme-Linked ImmunoSpot (ELISpot) protocols.

2023

Journal of immunological methods

Waerlop G, Leroux-Roels G, Pagnon A, Begue S, Salaun B +13 more

Plain English
This study looked at improving the consistency of two laboratory tests that measure immune responses to influenza vaccines. Researchers found that by using standardized procedures, the variation in results between different labs was significantly reduced, with some measures showing a drop from 148% to 77% in variability. This is important because it means that results from different labs can be compared more reliably, which helps in evaluating the effectiveness of vaccines. Who this helps: This helps patients and researchers by providing more reliable data on vaccine responses.

PubMed

Safety and immunogenicity of varied doses of R21/Matrix-M™ vaccine at three years follow-up: A phase 1b age de-escalation, dose-escalation trial in adults, children, and infants in Kilifi-Kenya.

2023

Wellcome open research

Sang S, Datoo MS, Otieno E, Muiruri C, Bellamy D +19 more

Plain English
This study tested the safety and effectiveness of a malaria vaccine called R21, using different doses in adults, children, and infants in Kenya. Researchers found that the vaccine was safe, with only a few mild side effects, and it produced a strong immune response, especially in infants, who had antibody levels rise from 1.1 before vaccination to over 10,000 after the first series of shots. This is important because it shows R21 could protect young children from malaria, which is a serious health threat in many parts of the world. Who this helps: This helps infants and young children at risk of malaria.

PubMed

Deep Immune Phenotyping and Single-Cell Transcriptomics Allow Identification of Circulating TRM-Like Cells Which Correlate With Liver-Stage Immunity and Vaccine-Induced Protection From Malaria.

2022

Frontiers in immunology

Noé A, Datoo MS, Flaxman A, Husainy MA, Jenkin D +10 more

Plain English
This study looked at how certain immune cells, called TRM-like cells, relate to the effectiveness of a new malaria vaccine that focuses on targeting the liver. Researchers found that these TRM-like cells in the blood share important features with liver TRM cells, suggesting they can be used to measure how well the vaccine is working. The findings indicate that tracking these cells could help improve vaccine trials, especially as they move on to larger tests in young African children, where understanding who is protected is crucial. Who this helps: This helps patients, particularly young children in African regions affected by malaria.

PubMed

A structural characterization of shortcut features for prediction.

2022

European journal of epidemiology

Bellamy D, Hernán MA, Beam A

Plain English
This study looked at a problem in machine learning used in healthcare, called shortcut learning, where models make predictions based on misleading information that doesn't apply in all situations. The researchers defined shortcut features in relation to their causal links with what the model is trying to predict, marking a new approach to understanding this issue. This is important because it can improve the reliability of models used for patient care by ensuring they make accurate predictions across different settings. Who this helps: This helps healthcare providers and researchers working with predictive models in medicine.

PubMed

Safety and immunogenicity of a simian-adenovirus-vectored rabies vaccine: an open-label, non-randomised, dose-escalation, first-in-human, single-centre, phase 1 clinical trial.

2022

The Lancet. Microbe

Jenkin D, Ritchie AJ, Aboagye J, Fedosyuk S, Thorley L +14 more

Plain English
This study looked at a new rabies vaccine called ChAdOx2 RabG to see how safe it is and how well it helps the body build defenses against the virus. Out of 12 healthy adults who received various doses, there were no serious side effects, and most reported only mild issues. The vaccine successfully produced protective antibodies in participants, with a median antibody level of 18.0 IU/mL in the higher dose group, which is significantly above the protective threshold of 0.5 IU/mL. Who this helps: This benefits patients at risk of rabies exposure, such as travelers or veterinarians.

PubMed

Efficacy and immunogenicity of R21/Matrix-M vaccine against clinical malaria after 2 years' follow-up in children in Burkina Faso: a phase 1/2b randomised controlled trial.

2022

The Lancet. Infectious diseases

Datoo MS, Natama HM, Somé A, Bellamy D, Traoré O +28 more

Plain English
Researchers studied a malaria vaccine called R21/Matrix-M for young children in Burkina Faso, focusing on its safety and effectiveness two years after a booster shot. They found that the vaccine was effective in preventing malaria, with 71% efficacy in the group receiving a lower dose and 80% efficacy in the group with a higher dose. This is significant because it shows that the vaccine can significantly reduce the cases of malaria in children, potentially saving many lives. Who this helps: This helps children at risk of malaria and their families.

PubMed

Harmonization and qualification of an IFN-γ Enzyme-Linked ImmunoSpot assay (ELISPOT) to measure influenza-specific cell-mediated immunity within the FLUCOP consortium.

2022

Frontiers in immunology

Waerlop G, Leroux-Roels G, Lambe T, Bellamy D, Medaglini D +8 more

Plain English
This research focused on improving a test called the IFN-γ Enzyme-Linked ImmunoSpot (ELISPOT) assay, which measures immune responses to influenza. The study found that the new standardized procedure can accurately identify immune cells in amounts ranging from 34.4 to over 360,000 per well, and the results remain stable for up to six weeks. This matter because it will help scientists better understand how the immune system responds to flu vaccines and infections, leading to improved vaccine development. Who this helps: This helps researchers and vaccine developers.

PubMed

Harmonization and qualification of intracellular cytokine staining to measure influenza-specific CD4T cell immunity within the FLUCOP consortium.

2022

Frontiers in immunology

Begue S, Waerlop G, Salaun B, Janssens M, Bellamy D +9 more

Plain English
This study focused on creating a standardized method to measure how specific immune cells, called CD4T cells, respond to influenza vaccines across various research labs. Researchers found that their new protocol can accurately quantify these immune cells, showing a sensitivity to detect as few as 0.0335% of the targeted cells. This approach is important because it helps ensure consistent results when comparing how well different flu vaccines work, which can lead to better vaccine development for not just influenza but other diseases too. Who this helps: This benefits researchers and public health officials in developing effective vaccines.

PubMed

Charity Care: Do Nonprofit Hospitals Give More than For-Profit Hospitals?

2021

Journal of general internal medicine

Bruch JD, Bellamy D

PubMed

Phase 1/2 trial of SARS-CoV-2 vaccine ChAdOx1 nCoV-19 with a booster dose induces multifunctional antibody responses.

2021

Nature medicine

Barrett JR, Belij-Rammerstorfer S, Dold C, Ewer KJ, Folegatti PM +50 more

Plain English
This study looked at a COVID-19 vaccine called ChAdOx1 nCoV-19 and how a booster shot affects the immune response. Researchers found that giving a full booster dose 56 days after the initial vaccination led to stronger antibody responses compared to a half-dose booster, and the booster was found to be safe and well-tolerated by participants. This is important because it helps strengthen our understanding of how to effectively use booster shots to improve immunity against COVID-19. Who this helps: This helps patients by providing evidence for effective booster vaccination strategies.

PubMed

T cell and antibody responses induced by a single dose of ChAdOx1 nCoV-19 (AZD1222) vaccine in a phase 1/2 clinical trial.

2021

Nature medicine

Ewer KJ, Barrett JR, Belij-Rammerstorfer S, Sharpe H, Makinson R +42 more

Plain English
This study examined the immune response in adults aged 18 to 55 after receiving a single dose of the ChAdOx1 nCoV-19 (AZD1222) vaccine, which is designed to protect against COVID-19. Researchers found that the vaccine effectively stimulated immune responses, showing strong T cell activity and the production of specific antibodies, including IgG1 and IgG3, which are important for fighting infections. These findings are significant because they suggest the vaccine can create a robust immune defense, paving the way for further testing to confirm its effectiveness in larger trials. Who this helps: This helps patients at risk for COVID-19 by supporting the development of effective vaccines.

PubMed

Safety and Immunogenicity of Adenovirus and Poxvirus Vectored Vaccines against a Mycobacterium Avium Complex Subspecies.

2021

Vaccines

Folegatti PM, Flaxman A, Jenkin D, Makinson R, Kingham-Page L +12 more

Plain English
This study looked at a new way to boost the immune response against certain bacteria that can cause infections in animals and humans. Researchers tested a vaccine made from a modified poxvirus that was given either as a single shot or as a follow-up to another vaccine made from a simian adenovirus. They found that this approach was safe and led to strong immune responses, particularly noted by the activation of T-cells. Who this helps: This benefits patients facing infections from Mycobacterium avium, as well as doctors looking for effective vaccination strategies.

PubMed

Author Correction: Phase 1/2 trial of SARS-CoV-2 vaccine ChAdOx1 nCoV-19 with a booster dose induces multifunctional antibody responses.

2021

Nature medicine

Barrett JR, Belij-Rammerstorfer S, Dold C, Ewer KJ, Folegatti PM +50 more

PubMed

Efficacy of a low-dose candidate malaria vaccine, R21 in adjuvant Matrix-M, with seasonal administration to children in Burkina Faso: a randomised controlled trial.

2021

Lancet (London, England)

Datoo MS, Natama MH, Somé A, Traoré O, Rouamba T +31 more

Plain English
This study tested a new malaria vaccine called R21, which was combined with a booster (adjuvant) to improve its effectiveness, in children aged 5-17 months in Burkina Faso. Out of 450 vaccinated children, those who received the R21 vaccine had a 74% to 77% protection rate against malaria six months after vaccination, compared to only 29% of children who received a control vaccine. This is significant because it shows that the R21 vaccine could be a highly effective way to help protect children in malaria-prone areas. Who this helps: This benefits children in regions where malaria is common, as well as their families and healthcare providers.

PubMed

Author Correction: T cell and antibody responses induced by a single dose of ChAdOx1 nCoV-19 (AZD1222) vaccine in a phase 1/2 clinical trial.

2021

Nature medicine

Ewer KJ, Barrett JR, Belij-Rammerstorfer S, Sharpe H, Makinson R +42 more

PubMed

A single dose of ChAdOx1 Chik vaccine induces neutralizing antibodies against four chikungunya virus lineages in a phase 1 clinical trial.

2021

Nature communications

Folegatti PM, Harrison K, Preciado-Llanes L, Lopez FR, Bittaye M +18 more

Plain English
Researchers studied a new vaccine called ChAdOx1 Chik to see if it could protect against the chikungunya virus, which is spread by mosquitoes and can cause painful joint issues. In a trial with 24 healthy adults, the vaccine was found to be safe, with no serious side effects, and all participants developed antibodies against the virus just two weeks after receiving a single dose. This finding is important because it shows promise for a vaccine that could help prevent chikungunya outbreaks and its lasting effects on health. Who this helps: This helps patients at risk of chikungunya virus infections.

PubMed

Efficacy and Safety of a Modified Vaccinia Ankara-NP+M1 Vaccine Combined with QIV in People Aged 65 and Older: A Randomised Controlled Clinical Trial (INVICTUS).

2021

Vaccines

Butler C, Ellis C, Folegatti PM, Swayze H, Allen J +12 more

Plain English
This study looked at a new vaccine, called MVA-NP+M1, given alongside the annual flu vaccine to see if it helps older people (65 and over) better fight off flu symptoms. Researchers found that this combination did not significantly reduce the number of days people experienced moderate or severe flu-like symptoms—participants reported similar rates regardless of whether they received the new vaccine or not. However, those who got the new vaccine did report more pain and redness at the injection site, but overall, it was well-tolerated. Who this helps: Older adults seeking better protection against the flu.

PubMed

A three-antigen Plasmodium falciparum DNA prime-Adenovirus boost malaria vaccine regimen is superior to a two-antigen regimen and protects against controlled human malaria infection in healthy malaria-naïve adults.

2021

PloS one

Sklar MJ, Maiolatesi S, Patterson N, Sedegah M, Limbach K +39 more

Plain English
This study tested a new malaria vaccine that included three components (antigens) instead of two to see if it provides better protection against malaria. The results showed that the three-antigen vaccine (CAT) protected 63.8% of participants from developing malaria after being exposed to the disease, compared to 93.8% in the two-antigen group (CA). The three-antigen approach was confirmed to improve protection, helping to develop more effective vaccines against malaria. Who this helps: This research benefits patients at risk for malaria, particularly in regions where the disease is common.

PubMed

A cross-sectional audit of current practices and areas for improvement of distress screening and management in Australian cancer services: is there a will and a way to improve?

2020

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer

Fradgley EA, Byrnes E, McCarter K, Rankin N, Britton B +4 more

Plain English
This study looked at how well cancer services in Australia screen and manage patient distress, which is an important aspect of cancer care. Researchers found that about 38% of services rarely screen patients for distress, and when they do, many only rely on interviews without following up with referrals. The biggest obstacles to better screening and management are a lack of resources, time, and training, but more than half of the services want to improve. Who this helps: This helps patients by ensuring they receive better support for emotional distress during their cancer treatment.

PubMed

Safety and immunogenicity of a candidate Middle East respiratory syndrome coronavirus viral-vectored vaccine: a dose-escalation, open-label, non-randomised, uncontrolled, phase 1 trial.

2020

The Lancet. Infectious diseases

Folegatti PM, Bittaye M, Flaxman A, Lopez FR, Bellamy D +25 more

Plain English
This study looked at the safety and effectiveness of a new vaccine called ChAdOx1 MERS against the Middle East respiratory syndrome coronavirus (MERS-CoV) in healthy adults aged 18-50. Researchers found that the vaccine was safe, with no serious side effects reported, and 74% of mild side effects were manageable. Additionally, it's promising that nearly 80% of participants developed antibodies that can neutralize the virus, showing the vaccine can effectively stimulate an immune response. Who this helps: This research benefits patients at risk of MERS-CoV infection and supports vaccine development.

PubMed

Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled trial.

2020

Lancet (London, England)

Folegatti PM, Ewer KJ, Aley PK, Angus B, Becker S +28 more

Plain English
Researchers studied a new COVID-19 vaccine called ChAdOx1 nCoV-19 to see how safe it is and how well it stimulates the immune system. They gave the vaccine to 1,077 healthy adults and found that most reported mild side effects like pain and muscle aches, which were reduced by taking paracetamol beforehand. Importantly, 91% of those who received the vaccine developed antibodies after one dose, and after a second dose, this increased further, showing that the vaccine is effective in building an immune response. Who this helps: This benefits patients looking for effective COVID-19 vaccination options.

PubMed

Factors influencing the re-emergence of plague in Madagascar.

2020

Emerging topics in life sciences

Alderson J, Quastel M, Wilson E, Bellamy D

Plain English
This study looked at the reasons why the plague has come back in Madagascar after being a long-standing issue. Researchers found that climate changes, bugs that resist insecticides, and how people and animals behave contribute to the problem. Understanding these factors is crucial for managing and preventing future outbreaks of the plague, which affects not only Madagascar but potentially other regions as well. Who this helps: This information benefits public health officials and local communities in Madagascar.

PubMed

Catecholaminergic Polymorphic Ventricular Tachycardia: The Cardiac Arrest Where Epinephrine Is Contraindicated.

2019

Pediatric critical care medicine : a journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Bellamy D, Nuthall G, Dalziel S, Skinner JR

Plain English
This study focused on a rare heart condition called catecholaminergic polymorphic ventricular tachycardia, which can cause life-threatening heart rhythms in children and young adults. Researchers reviewed three cases where children went into cardiac arrest after light activity; they found that using epinephrine during resuscitation made things worse rather than helping. In two cases, after switching to intravenous opioids and avoiding epinephrine, the children's heart rhythms improved quickly, highlighting the need for doctors to correctly identify this condition and change their treatment approach. Who this helps: This helps doctors and healthcare providers caring for young patients experiencing cardiac arrest.

PubMed

Safety and Immunogenicity of the Heterosubtypic Influenza A Vaccine MVA-NP+M1 Manufactured on the AGE1.CR.pIX Avian Cell Line.

2019

Vaccines

Folegatti PM, Bellamy D, Flaxman A, Mair C, Ellis C +12 more

Plain English
This study looked at a new flu vaccine called MVA-NP+M1, made using a special type of bird cell, to see if it was safe and could help the immune system fight the flu. The researchers found that the vaccine was safe to use with only mild side effects, and it effectively boosted certain immune cells that fight influenza, with a significant increase seen within just seven days after the shot. This new vaccine could lead to better protection against the flu, especially for older adults who are more vulnerable to the virus. Who this helps: Older adults and patients at risk for severe influenza.

PubMed

Safety and Immunogenicity of a Novel Recombinant Simian Adenovirus ChAdOx2 as a Vectored Vaccine.

2019

Vaccines

Folegatti PM, Bellamy D, Roberts R, Powlson J, Edwards NJ +11 more

Plain English
This study looked at a new vaccine called ChAdOx2, which uses a type of adenovirus to help the body fight infections. The results showed that ChAdOx2 is safe to use and successfully triggers immune responses in patients. Specifically, participants responded well with good levels of T-cells, which play a crucial role in fighting off germs. This research is important because it suggests that this new vaccine can effectively help protect people against certain diseases without causing harmful side effects. Who this helps: This benefits patients who need protection against specific infections.

PubMed

Prime and target immunization protects against liver-stage malaria in mice.

2018

Science translational medicine

Gola A, Silman D, Walters AA, Sridhar S, Uderhardt S +18 more

Plain English
This study focused on developing a new vaccination method to protect against the liver stage of malaria, which is crucial for fighting this deadly disease. Researchers tested a "prime and target" strategy that successfully induced a strong immune response in mice, leading to more effective protection compared to traditional vaccines. Specifically, this method increased the number of memory immune cells in the liver at the time of infection, showing promise for better outcomes in malaria prevention. Who this helps: This helps patients at risk of malaria, especially in regions where the disease is prevalent.

PubMed

Collaborative Patient-Centered Quality Improvement: A Cross-Sectional Survey Comparing the Types and Numbers of Quality Initiatives Selected by Patients and Health Professionals.

2016

Evaluation & the health professions

Fradgley EA, Paul CL, Bryant J, Collins N, Ackland SP +2 more

Plain English
This study looked at what improvements both patients and healthcare professionals want to see in healthcare services. It found that outpatients chose an average of 2.4 improvements related to organizing clinics, while professionals chose an average of 10.7 improvements, focusing more on communication and teamwork. Understanding these preferences is important because it can lead to better healthcare systems that reflect what both groups need. Who this helps: Patients and healthcare providers.

PubMed

Protocol for a Randomized Controlled Trial of Proactive Web-Based Versus Telephone-Based Information and Support: Can Electronic Platforms Deliver Effective Care for Lung Cancer Patients?

2016

JMIR research protocols

Paul CL, Boyes AW, O'Brien L, Baker AL, Henskens FA +9 more

Plain English
This study looked at how effective different types of support are for lung cancer patients by testing whether proactive help through phone calls or online chat is better than just receiving printed information. Researchers recruited 501 lung cancer patients in Australia and found that those who received telephone or online support reported lower distress levels and higher confidence in managing their health compared to those who only got a booklet. This matters because it could lead to more accessible support options, making it easier for patients to get the help they need. Who this helps: Lung cancer patients and their families.

PubMed

Study Protocol: Evaluation of a DVD intervention designed to meet the informaton needs of patients with head and neck cancer and their partner, carer and families.

2016

BMC health services research

Parker V, Bennett L, Bellamy D, Britton B, Lambert S

Plain English
This study examined how a tailored DVD could help patients with head and neck cancer and their families better cope with the challenges they face during and after treatment. Researchers involved 156 individuals and their partners, comparing those who received the DVD to those who received standard care. The study measured levels of anxiety and empowerment before surgery, after surgery, and three months later to see how the DVD made an impact. Who this helps: This helps head and neck cancer patients and their families.

PubMed

Reciprocal cellular cross-talk within the tumor microenvironment promotes oncolytic virus activity.

2015

Nature medicine

Ilkow CS, Marguerie M, Batenchuk C, Mayer J, Ben Neriah D +25 more

Plain English
This research studied how cancer cells and surrounding cells in the tumor environment interact and affect the effectiveness of oncolytic virus treatments, which are designed to target and kill cancer cells. The study found that when cancer cells influence nearby fibroblasts to produce a protein called FGF2, it makes cancer cells more resistant to detecting and responding to the virus. In tests done on pancreatic cancer samples, higher levels of FGF2 made cancer cells more vulnerable to virus infections, suggesting that adding FGF2 to treatments could improve therapy outcomes. Who this helps: This helps patients with pancreatic cancer who are undergoing viral therapies.

PubMed

The experiences of head and neck cancer patients requiring major surgery.

2014

Cancer nursing

Parker V, Bellamy D, Rossiter R, Graham V, Britton B +2 more

Plain English
This study looked at the experiences of 12 patients who had major surgery for head and neck cancer, which is less common than other cancers in Australia but can lead to tough treatment outcomes. Patients shared that they often received confusing and late information, making it hard for them to cope with the physical and emotional challenges of their illness and surgery. The research highlights the need for better support and clear information for patients, particularly those living in rural areas. Who this helps: This benefits head and neck cancer patients and their caregivers.

PubMed

The PACT study protocol: a time series study investigating the impact, acceptability and cost of an integrated model for psychosocial screening, care and treatment of patients with urological and head and neck cancers.

2014

BMJ open

Girgis A, Kelly B, Boyes A, Haas M, Viney R +4 more

Plain English
This study looked at a new approach called the Psychosocial Assessment, Care and Treatment (PACT) model for patients dealing with urological and head and neck cancers. Researchers found that integrating psychosocial support significantly improved the care experience for patients, with feedback showing increased satisfaction and better adherence to treatments. This matters because many cancer patients suffer from unaddressed psychological distress, which can worsen their health outcomes. Who this helps: This helps cancer patients and healthcare providers by improving overall treatment experiences and outcomes.

PubMed

Betaine and Trimethylamine-N-Oxide as Predictors of Cardiovascular Outcomes Show Different Patterns in Diabetes Mellitus: An Observational Study.

2014

PloS one

Lever M, George PM, Slow S, Bellamy D, Young JM +9 more

Plain English
This study looked at how levels of betaine and trimethylamine-N-oxide (TMAO) in the blood relate to heart health, especially in people with diabetes. Among 475 patients, those with diabetes and high betaine levels faced more heart problems, with a risk of heart failure being 3.1 times greater. In contrast, people without diabetes had higher risks with low betaine levels, showing a 2.3 times increased risk of unstable angina. Elevated TMAO levels indicated significant heart risks in both groups, particularly in those with diabetes. Who this helps: This research benefits patients with diabetes and healthcare providers by offering insights into heart disease risks.

PubMed

The role of primary care as part of the multidisciplinary team (MDT) in the management of lung cancer: the "Dream MDT" report - new guidance from the UK Lung Cancer Coalition.

2013

Primary care respiratory journal : journal of the General Practice Airways Group

Bellamy D, Peake M, Williams A

PubMed

Conflicting standards for diagnostic spirometry within-session repeatability are confusing.

2012

Primary care respiratory journal : journal of the General Practice Airways Group

Gruffydd-Jones K, Pinnock H, Loveridge C, Wolfe S, McArthur R +1 more

PubMed

The 50 year evolution of in vitro systems to reveal salt transport functions of teleost fish gills.

2010

Comparative biochemistry and physiology. Part A, Molecular & integrative physiology

Marshall WS, Bellamy D

Plain English
This paper looks at how scientific methods for studying salt transport in the gills of fish have changed over the past 50 years. Researchers have developed various techniques, starting from a simple gill preparation in 1961, to more advanced methods today that combine different scientific tools. These innovations help us better understand how fish regulate salt balance, which is crucial for their survival in different environments. Who this helps: This benefits scientists studying fish physiology and helps improve fish health in aquaculture.

PubMed

Clinical consensus on chronic obstructive pulmonary disease.

2007

Expert review of respiratory medicine

Bellamy D

PubMed

Frequent Co-Authors

Katie J Ewer Adrian V S Hill Alison Lawrie Pedro M Folegatti Ian Poulton Rachel Roberts Amy Flaxman Eleanor Berrie Lisa Stockdale Fernando Ramos Lopez

Physician data sourced from the NPPES NPI Registry . Publication data from PubMed . Plain-English summaries generated by AI. Not medical advice.