Study shows persistent COVID-19 infections fairly common

What Covid taught us about flu, symptoms and how the virus spreads

An investigation of transmission control measures during the first 50 days of the COVID-19 epidemic in China

Canadian study shows more hospitalizations—but fewer severe outcomes—during recent COVID waves

BA.2 COVID-19 subvariant on the rise in US, Fauci says

ECDC details COVID vaccine payoffs, plan for post-peak phase

Study spotlights personal, health system impact of long COVID

Frontiers Evolution, Interspecies Transmission, and Zoonotic Significance of Animal Coronaviruses

Should You Take Paxlovid if You Are Mildly Ill?

Researchers are still untangling the risks of catching COVID over and over