Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

People often talk about COVID-19 testing like it means only one thing. But in reality, the U.S. Food and Drug Administration (FDA) has so far granted emergency-use authorization to more than 200 ...

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

Los Angeles International Airport is now offering COVID-19 test results in as little as 30 minutes with the addition of rapid antigen tests at the airport's on-site laboratory, officials said Tuesday.

State officials are pausing the use of on-site rapid antigen COVID-19 testing after questions arose about the procedure’s accuracy. The temporary pause, beginning Monday, came about after ...

While it still won’t be as simple as before the pandemic, making plans to cross the border should be a little easier and less expensive starting Monday, Feb. 28. Earlier this month the Canadian ...

Desks under a tent serve as an outdoor classroom at the Lake Champlain Waldorf School in Shelburne on Saturday, August 15th, 2020. Jas Darland, the head of the Lake Champlain Waldorf School, said in ...