Explore our stories on COVID-19 and past pandemics.
Due to shortages of crucial supplies, healthcare workers ask volunteers to make medical masks.
What you need to know about the CDC’s new face mask guidelines and an experimental COVID-19 treatment launching in New York.
How citizen scientists can help the CDC track the spread of coronavirus in the United States.
Virologist Angela Rasmussen returns to explain the studies behind the stories on your news feed.
If COVID-19 spreads in the U.S., hospitals have ways to prepare. Public health experts explain why more testing and protecting healthcare workers will be key.
Scientists have sequenced the genome of the new coronavirus from two patients in Washington state.
Changes in how countries are diagnosing infection with the coronavirus can make shifting numbers difficult to interpret.
Nearly 10,000 cases have been confirmed worldwide, as of January 31. Experts consider measures that could be put in place to halt the spread of the pathogen.