How many times have you stared at a home COVID-19 test, waiting for the faint line that confirms an infection? Those home antigen tests often fail to detect a recent infection or one with no symptoms.

Gone are the days of visiting a doctor’s office to determine whether you have Covid. Instead, you can buy over-the-counter test kits, which diagnose infection from the comfort of your home, making ...

The days of free at-home COVID-19 tests may be over, but the virus certainly hasn’t gone away, and neither has the flu. In fact, the U.S. recently saw its highest flu case count in 25 years. And with ...

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How accurate are the coronavirus tests used in the U.S.? Months into the outbreak, no one really knows how well many of the screening tests work, and experts at top medical centers say it is time to ...