Quick Hits: Does Time Of Day Affect Vaccine Efficacy?
If we told you that men in the morning had a better response to vaccinations for hepatitis A and influenza, you might think there was some biology bias at work, but that's what a study led by Anna Catriona Phillips of the University of Birmingham found. They assessed the response to a hepatitis A vaccine in young healthy adults and also examined responses to the annual influenza vaccination in older community-based adults.
In the first study, participants consisted of 75 University of Birmingham students who were vaccinated with the hepatitis A vaccine during a morning session (10 am to 12…