A 2022 study estimates that at-home flu tests have a sensitivity of about 63% if the test is performed within 72 hours of ...
As flu cases rise across the country, here is everything to know about testing yourself for the illness at home.
The flu is one of the most common and contagious diseases — it causes up to 41 million illnesses, 710,000 hospitalizations and 52,000 deaths each year in the US, according to the Centers for Disease ...
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