HealthNorovirus vaccine pill protects against winter vomiting bug An oral vaccine reduced infection risk in a trial where people were deliberately exposed to high doses of norovirus, and could also slow the spread of the pathogen NewsFree
HealthFlu viruses have evolved proteins that let them break through mucus Computer simulations of how influenza A moves through human mucus found it is ideally configured to slide through the sticky stuff on its way to infecting cells NewsSubscriber-only