Some people are speculating that rapid tests have lost their ability to detect some of the newer coronavirus variants, but experts say it’s not the case.

Many specialists see rapid at-home COVID tests as a crucial tool in the off-ramp to the pandemic -- assuming Americans know how and when to use them.

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. Here's what ...

To determine whether your COVID test is still usable, you can check the at-home COVID-19 tests listed on the FDA's website to see which brands have had their shelf lives extended.

Experts discuss what it might mean if you get a faint line on a home COVID-19 test, when to take another test and what precautions to take.

RSV tests include nasal swabs or blood tests to detect the virus's genetic material or antibodies, but rapid tests provide quick results.

Experts say rapid home tests still work to detect the latest variants of the virus that causes Covid-19, but how and when home tests are used has changed.

There are reasons why your test might say you’re negative why you actually have COVID. For one thing, people are using rapid tests differently than they used to. Our immunity factors, in, too.