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 ...

Welcome to what some experts say is the country’s second largest COVID wave since the start of the pandemic. In the past few weeks, there’s been a striking increase in new cases, hospitalizations, and ...

Here’s what you need to know about when to take a test for accurate results, and how to get kits for free. By Knvul Sheikh and Dani Blum While Covid has become a regular part of respiratory virus ...

Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...

At-home rapid COVID-19 tests can reveal more about viral load than a simple positive/negative result, according to experts. "By definition, the basic technology suggests that you somehow have to go ...

A new rapid test for COVID-19 has over 99% diagnostic sensitivity in early studies, scientists assessing the test at the University of Oxford said on Friday.

The U.S. government will send an "overwhelming majority" of the rapid COVID-19 tests it purchased from Abbott Laboratories last week to governors of states and territories to support school reopenings ...