Six years ago, on March 11, 2020, the World Health Organization declared COVID-19 a global pandemic. Here's what else happened on that day.

The U.S. Food and Drug Administration approved 2025-26 COVID-19 vaccines for anyone age 65 and older and any person 6 months and older who has at least one underlying health condition that increases their risk of severe COVID-19 infection. If you don’t ...

A new study suggests the true early toll of COVID-19 in the U.S. was significantly higher than official counts.