VACCINATION

This study tests a two-dose pandemic H5N1 (bird flu) vaccine in 120 organ transplant recipients. The goal is to see if the vaccine is safe and helps their immune system fight the flu. Participants must be at least 18 years old, more than 3 months post-transplant, and have stable …

This study looks at the best way to encourage parents to vaccinate their 11-17 year old children against HPV. Researchers will compare showing parents an informational video, a personal story video, or both, to see which approach leads to more teens getting vaccinated. About 1100…

This study aims to understand why the protection from COVID-19 vaccines decreases over time. Healthy adults aged 18 and older who are scheduled to receive a new vaccine or booster will give blood samples and health updates over one year. The goal is to learn how the immune system…

This study looks at whether eating only during a specific time each day (time-restricted eating) for four weeks can improve how well older adults respond to flu and COVID-19 vaccines. Researchers will measure changes in immune cell activity and body composition in 24 healthy volu…

This study looks at how a person's sex and gender affect their immune system's reaction to a meningitis B vaccine. Researchers will compare immune responses in transgender and cisgender adults aged 18 to 50. The goal is to better understand biological differences in how vaccines …

This study is looking at how well antibodies in the blood and nose can neutralize the viruses that cause COVID-19 and monkeypox. Researchers will follow 30 adults who have received vaccines or antibody treatments for these diseases. The goal is to understand how long this protect…

This study aims to find the best way to encourage older adults (50+) to get vaccinated. Researchers will compare showing only informational videos, only personal story videos, or a mix of both to see which approach works best. 6,000 participants will be involved, and the main goa…

This study aims to find out which types of vaccine promotion messages are most attention-grabbing and convincing for people living in rural New England. About 700 adults will view sample social media posts while their eye movements are tracked remotely via webcam, then answer que…

This study tests whether a digital vaccination record system linked to fingerprints can help more children in Ghana complete their malaria vaccine series and other routine shots. About 4,700 pregnant women and mothers of young children will take part. The system will automaticall…