SARS-COV-2

This early-stage trial tests two versions of a nasal spray vaccine called COV2, designed to protect against COVID-19. About 20 healthy adults who have already had at least two COVID-19 shots will receive two doses of the nasal vaccine. The study checks for side effects and measur…

This study tests several updated mRNA COVID-19 vaccines designed to target new variants of the virus. About 1,144 adults and children with certain risk factors will receive a vaccine dose. Researchers will measure how well the vaccines boost immunity and check for any side effect…

This study gives a single injection of kisspeptin, a natural brain hormone, to 40 adults with and without post-COVID syndrome. By taking blood samples every 10 minutes, researchers measure how the brain's reproductive control center responds. The goal is to understand if long COV…

This study looks at how the immune system changes over time in adults with severe COVID-19 who are in the intensive care unit. Researchers will collect blood samples from 200 patients to measure immune markers and see how they relate to organ failure, infections, or death. The go…

This study is following 800 people who had COVID-19 to learn how long the virus can remain in different parts of the body, like the nose, stool, semen, and breast milk, after they feel better. Researchers will also track how the immune system responds and any long-term health pro…