Over-the-counter rapid antigen tests can help slow the spread of COVID-19 – here’s how to use them effectively
The rise of the highly transmissible delta variant around the U.S. has increased demand for rapid antigen COVID-19 tests that can be purchased from a pharmacy without a prescription, used at home, school or work and that give results in 15 minutes. On Sept. 9, 2021, the White House announced
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