Public health experts say conditions in war-torn Gaza are ripe for the spread of infectious disease. Health workers are struggling to spot and contain outbreaks, even as the health system teeters.

Scientists are turning up more evidence that some people may harbor a viral reservoir in the wake of COVID-19. What could that tell us about long COVID?

It was a big year for viruses, which simply refused to be ignored. And unlike the previous two years, COVID had to share the spotlight.

The pandemic put a spotlight on health care workers and inspired many to pursue a career in medicine. The record number of applicants comes as the U.S. faces a projected shortage of physicians.