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Free at-home Covid tests can be ordered starting Monday. Here’s what you should know about when to test and what the results mean as new variants circulate.

While most people will clear the virus and get a negative antigen test result within 10 days, some people may keep testing positive for longer than that, experts tell TODAY.com. And if you keep ...

Researchers who “test the tests” say that COVID rapid tests have kept up with new variants. Skip to main content. Scientific American. March 4, 2024. 4 min read.

How to understand at-home rapid antigen tests, what to do if you test positive after five days, and how to test if you’re asymptomatic after a JN. 1 variant exposure.

If you take an at-home rapid test, also referred to as an antigen test, a positive result is usually reliable. But a negative test does not always mean you don’t have COVID-19.

And the new rapid COVID-19 tests couldn't be coming at a better time. While rates from the summer surge are just now starting to wane, a new coronavirus variant, called XEC, ...

Starting in early December, about 19,000 school districts will have the chance to order free rapid COVID tests from the federal stockpile for their students, staff and others in the community.

With COVID-19 cases rising across the country, you may be pulling out a leftover at-home rapid test — and it may be expired.But experts say even if the box indicates it's expired, don't throw it ...

If your COVID-19 rapid test turns positive, but the line is faint, unfortunately, it still means you have COVID-19. However, a re-test might be in your future.