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, ...

The Food and Drug Administration has authorized emergency use of the first antigen coronavirus test, which produces results within minutes and is relatively cheap to make, according to the agency. The ...

With the ending of COVID-19 PCR testing by Healthy Yolo Together and Healthy Davis Together, Yolo County is reminding residents of the many other testing resources still available to the community.

Arguably one of the most important facets of the battle against COVID-19 is the ability for states to increase their testing capabilities. As of May 22, the U.S. has completed over 13 million tests ...

For most people, having an at-home COVID test or two handy is just a normal part of life these days. But, if you happen to take a test and get a positive you weren’t expecting, it’s more than ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

The World Health Organization (WHO) said on December 24, 2025, that it has prequalified two rapid antigen diagnostic tests (Ag-RDTs) for SARS-CoV-2, the virus that causes COVID-19. According to WHO, ...

2025 update: This federal program has ended and free tests are not current available from the government website. Federal health officials have justified the millions they have spent on device ...