International scientists who examined previously unavailable genetic data from samples collected at a market close to where the first human cases of COVID-19 were detected in China said they found ...

Matt Fitzgerald used to bike up and down 3,500 feet through the Santa Ana Mountains on three-hour rides just for fun. Now, nine months after being infected with SARS-CoV-2, the virus that causes Covid ...

Phillips is a fellow of the American College of Epidemiology and vice president of science and strategy for the COVID Collaborative. Much of this analysis is sound — calls to improve stockpiles, ...

Stanford scientists have uncovered how mRNA COVID-19 vaccines can very rarely trigger heart inflammation in young men — and ...

This column is a part of Republic of Distrust, a series about the loss of trust in American institutions and what can be done to restore it. Has America lost its faith in science? It’s a surprisingly ...

Five years ago, on March 11, 2020, the World Health Organization declared COVID-19 a pandemic. Whether it still is depends on who you ask. There are no clear criteria to mark the end of a pandemic, ...

Researchers are beginning to understand some of the potential causes of long COVID and are investigating treatments for the complex condition. When you purchase through links on our site, we may earn ...

The government is ready to declare COVID-19 over: The nationwide state of emergency is set to end on May 11. In California, the state of emergency concluded in February. Johns Hopkins University shut ...