A 2022 study estimates that at-home flu tests have a sensitivity of about 63% if the test is performed within 72 hours of ...

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 health ...

The consensus among public health experts is that safely emerging from lockdown will require testing millions of Americans every week for the virus that causes COVID-19 and isolating those who test ...

If you have symptoms of a coronavirus infection or think you may have been exposed to the virus, you can take some COVID-19 tests at home. That makes them especially convenient and helps eliminate the ...