Are expired Covid tests still good to use? What you need to know

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As Covid cases surge again in the U.S., Americans are digging out unused at-home tests that they stashed earlier in the pandemic. 

Many of those tests may have passed their expiration dates, but don’t throw them away just yet. 

The Food and Drug Administration has extended the expiration dates of many popular at-home test products, which means some of your old kits may still be safe to use. You can check by visiting a page on the FDA’s website that lists expiration information for each test brand.

“That’s the first thing I would do before using an expired test or throwing it away,” Andrew Pekosz, a professor at the Johns Hopkins Bloomberg School of Public Health, told CNBC.