The best time to take an at-home COVID-19 test may be on the fourth day of having symptoms, according to a study published in the journal Clinical Infectious Diseases. Researchers looked at nearly 350 ...
Is your at-home COVID test expired? Don’t throw it out. First, check to see if the expiration date got an extension by the U.S. Food and Drug Administration. If it did, that means the test can still ...
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