Deaths from COVID-19 have jumped nearly 40% this week, and hospitals around the country are straining under their patient load. Here's what happened in the first week after Thanksgiving.
As college campuses grapple with outbreaks of coronavirus infections, research from the CDC suggests young adults are driving infection rates, putting older, more vulnerable people at risk.
What if your body could corral an infection instead of eliminating it? Immunologists who see this sort of "disease tolerance" in plants wonder what role it might play in asymptomatic human infections.