INFLUENZA, HUMAN

This study is testing a new seasonal flu vaccine that includes an ingredient (an adjuvant) designed to boost the body's immune response. Researchers want to see if different doses of the vaccine are safe and well-tolerated in healthy adults, and how well they trigger protective a…

This early-stage study is testing whether protein-based COVID-19 and influenza vaccines can be given as drops under the tongue or in the mouth instead of as a shot. The goal is to see if this method is safe and can trigger a strong immune response in the lining of the nose and th…

This study is testing new flu vaccines made with mRNA technology, similar to some COVID-19 vaccines. It aims to see how well they trigger an immune response and how safe they are in 960 healthy adults aged 18 and older. Researchers will compare different vaccine versions to under…

This Oxford University study compares how well seven different antiviral drugs work against the flu. It will enroll 3,000 adults who have just gotten sick with the flu to see which medicines clear the virus fastest and help people feel better sooner. Some participants will receiv…

This study aims to understand how your immune system remembers past flu exposures when fighting a new infection. Researchers will track 50 adults who test positive for the flu, collecting blood and nasal samples over time. The goal is to see if the body mostly relies on old immun…

This study aims to understand how the first flu virus a person encounters in childhood might influence their immune response to flu vaccines later in life. Researchers will enroll up to 700 healthy adults of different ages, give them the standard seasonal flu shot, and then measu…