Add Yahoo as a preferred source to see more of our stories on Google. There are certain things antibody tests can (and cannot) tell us about our immunity to COVID-19. (Photo: Yulia Reznikov via Getty ...

If you are looking for a single magical number to tell whether you can be more lax on Covid-19 precautions, sorry, but the level of antibodies in your blood is not going to provide it. Antibodies aren ...

WEST PALM BEACH, Fla. — If you've been infected with COVID-19 or got the vaccine, you likely have antibodies. But what does that really tell you? Waking up every day in a pandemic for Leigh Ann David ...

The global antibody testing market is expected to expand at a compound annual growth rate (CAGR) of approximately 6% between ...

Experts can't agree on whether to use COVID-19 antibody tests to check whether people need a booster shot. The FDA said on May 19 that antibody tests shouldn't be used to test for COVID-19 immunity.

The test measures immunoglobulin G antibodies, which indicate past exposure or vaccination to viruses like measles.