A resident displays an at-home rapid COVID-19 test kit in Philadelphia, Monday, Dec. 20, 2021. (AP Photo/Matt Rourke) This story originally appeared on WLVR. At-home COVID-19 tests have a shelf life, ...

To check whether your test kit is still good beyond the printed expiration date, you can search on the FDA’s “At-Home OTC COVID-19 Diagnostic Tests” website.

Every household in the United States now is eligible to order more free rapid COVID-19 test kits from the federal government. Beginning Nov. 20, households that previously ordered tests this fall ...

If you have an at-home rapid COVID-19 test kit that expired, or is about to, don’t throw it away just yet. The expiration dates for many tests have been extended.

On/Go brand of 10-minute COVID-19 antigen self-test, a box has two tests for $32. The website offers quantities of test kits up to 10,000. Shipping is free by priority mail from Mount Vernon, N.Y.

The specialized diagnostic kits can be found by contacting the company's sales representatives. Related: EXCLUSIVE: Newly Listed Virax Biolabs Launches Monkeypox Antigen Rapid Test.

Here's what you need to know about at-home rapid COVID-19 test kits and how cold weather might impact them. Dr. Adalja explains why the temperature range is listed in the first place.

The National Capital Poison Center reports on its website that many rapid home COVID-19 antigen tests have a small amount of sodium azide in vials and recommends the kits be disposed of properly ...