To reduce the odds of catching the flu and colds, experts say consider tried-and-true prevention methods like hand washing and mask wearing.

The trial will evaluate the safety and effectiveness of a next-generation vaccine administered through a nasal spray or ...

Most flu vaccines are given with a needle, usually in the arm, but there also is a nasal spray flu vaccine. Most importantly, the flu vaccine is the best way to reduce your odds of spending time ...

A nasal vaccine for COVID-19 – based on technology developed at Washington University in St. Louis – is poised to enter a phase 1 clinical trial in the U.S. after an investigational new drug ...