A next-generation nasal vaccine for COVID-19 appears to do what injectable vaccines can’t -- actually stop the spread of the virus from person to person.
People's odds for Long COVID appear to be declining with the advent of new variants of the virus, along with repeat infections and vaccinations, new research shows.
A simple and inexpensive paper strip test could help diagnose a case of the flu, and even identify the influenza strain that caused it, a new study finds.
The pandemic highlighted the risk that air travel carries for the spread of infectious diseases, and that risk remains even though the health emergency has passed.
