Norovirus rates have skyrocketed by 340% this season. Here’s where the ‘winter vomiting disease’ is spreading and why
Plenty of people likely kicked off 2025 hunched over a toilet—but not because they’d imbibed too much on New Year’s Eve.
Mixed lessons from intentionally infecting people with COVID-19
Challenge trials help researchers study immune responses. Skeptics still doubt the approach is worth the risks ...