CVS, Walgreens limit at-home COVID-19 tests purchases
CVS and Walgreens are putting limits on how many at-home COVID-19 tests you can buy.
EXPLAINER: The CDC's new mask guidelines
CVS is capping it at six, while Walgreens is capping it at four -- if you can find that many.
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The shortage prompted the White House to buy 500 million tests that can be shipped to you for free as soon as next month.