Rapid tests work to detect omicron and its subvariants but timing is tricky. If you have COVID-19 symptoms, such as fever, cough, congestion or a sore throat, test yourself immediately but know ...

How to understand at-home rapid antigen tests, what to do if you test positive after five days, and how to test if you’re asymptomatic after a JN. 1 variant exposure.

As a COVID test becomes harder and harder to find, the Biden Administration elaborated on plans to ship at-home tests to Americans for free.

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As the holidays come into full swing and many are traveling, more people are interested in taking an at-home COVID test before their travels or gatherings with family and friends.

Wondering where to buy at home COVID test kits? Find out where to buy them, how accurate they are and how to use them. Brands include QuickVue, BinaxNOW and more.

Rebecca Heilweil covered emerging technology, artificial intelligence, and the supply chain. Should we be swabbing our noses or our throats for at-home tests? Do rapid tests even detect omicron at ...

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 ...

Early indications suggest rapid tests work to detect Omicron but only if you take them when your viral load is high.

With new COVID cases on the rise, taking an easy-to-get rapid test can give you quick results. Most of the time, though, a test after 3 to 5 days of symptoms gets a reliable result.