Flu cases being misdiagnosed as COVID-19

A trending tweet questions whether flu cases are being misdiagnosed as COVID-19, with the tweet claiming it suspicious that flu cases have decreased so much in the current flu season compared to years past. Although the two illnesses have some similarities, swab tests to check for COVID-19 infection are highly specific and it unlikely that the flu would be misdiagnosed in a COVID-19 swab test. Experts also believe that flu cases are down this year because more people have gotten the flu shot and are wearing masks, two protective behaviors that reduce the spread of the flu.

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