VACCINATION

This study tests a two-dose pandemic H5N1 flu vaccine in 120 organ transplant recipients to see if it is safe and produces a strong immune response. Participants must be at least 18 years old, more than 3 months post-transplant, and have stable kidney function. The goal is to fin…

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 the vaccine. About 1,1…

This study aims to see if giving a daily nutritional supplement (SQ-LNS) to children aged 6-11 months until they turn 18 months can encourage more families to get their children vaccinated. The study will take place in rural areas of Chad and Niger, where malnutrition and low vac…

This study looks at whether the sleep habits of 11-12 year olds affect how well their body responds to a vaccine that protects against a rare but serious illness called meningococcal disease. About 66 healthy teens will wear a sleep tracker and keep a regular sleep schedule for 5…

This study looks at whether a 4-week time-restricted eating (TRE) plan can improve how well older adults' immune systems respond to the seasonal flu and COVID-19 vaccines. Researchers will measure changes in immune cell activity and body composition in 24 healthy volunteers aged …

This study aims to find the most effective ways to promote vaccines to people living in rural New England. About 700 adults will view sample social media messages while their eye movements are tracked remotely via webcam. Participants will then answer questions about the messages…

This study looks at how a person's sex and gender might change their immune system's reaction to the meningitis B vaccine. Researchers will compare immune responses in transgender and cisgender adults aged 18 to 50. The goal is to better understand why men and women often respond…

This study aims to understand why the protection from vaccines like those for COVID-19 fades over time. Researchers will follow 1,200 healthy adults for one year, collecting blood samples and health updates after they receive a vaccine or booster in their community. The goal is t…

This study looks at whether watching personal stories from other older adults, combined with informational videos, can encourage people aged 50 and older to get their recommended vaccines. Researchers will compare three approaches: informational videos only, personal story videos…

This study is tracking 30 adults to see how well their blood and nasal antibodies neutralize SARS-CoV-2 and monkeypox virus over time. Participants have already received or will receive vaccines or monoclonal antibodies for these diseases. The goal is to understand how long prote…

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…