COVID-19 rapid tests can breed confusion — here’s how to make sense of the results and what to do A team of researchers goes through the most common questions about COVID-19 rapid tests ...

There are several reasons why you might get negative rapid tests even when you have COVID-like symptoms. Our previous studies show that if you are symptomatic and do two rapid antigen tests 48 ...

Rapid tests work well on Omicron variants, but only if your viral load is high at the time. You need to reach a certain threshold before any test — PCR or rapid — can detect your infection.

Do rapid tests still work? Yes. Even with a newer variant, JN.1, dominating cases nationwide, rapid tests should be able to accurately capture whether you are contagious.

At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward.

Rapid tests are best used as an indicator of when you’re contagious with COVID-19 rather than when you’re infected with it, said Dr. Paul Drain, an associate professor of global health at the ...

Changes in temperature and moisture can affect how well COVID-19 rapid tests work. As the summer weather heats up, here's what you need to know about storing at-home tests.

If a symptomatic person tests positive on a rapid test, they likely have Covid-19. If you are exposed to someone who has Covid-19 or has symptoms but receives a negative test, you should take ...

People can use a rapid COVID-19 test at home to check whether they have SARS-CoV-2, the virus that causes COVID-19. The result is available within a few minutes.

Do rapid antigen tests still detect new coronavirus variants? The landscape of coronavirus variants has changed a lot since the pandemic first began. These days, COVID-19 rates are down after a ...

Technique matters when it comes to getting a sufficient amount of virus for a rapid test. Images By Tang Ming Tung/Digital Vision via Getty ImagesAs fall temperatures set in, cold and flu season ...