With COVID-19 cases rising across the country, you may be pulling out a leftover at-home rapid test.

The government has already disbursed more than 900 million free at-home COVID-19 tests, and will be reopening its free test kit portal.

If you need to know whether you have coronavirus but don't want to deal with appointment scheduling and clinic wait times, a self-test can be a convenient solution. But who are self-tests right ...

Some expired Covid tests are safe to use if the FDA says they have extended expiration dates. A person adds drops in the sample well of a Covid-19 rapid test.

COVID-19 rapid tests are easy to take—and then toss. So most people never report their results, which leaves health officials with an incomplete picture of how much virus is circulating and where.