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5:57
YouTube
PBS NewsHour
WATCH: When is it better to take a rapid antigen versus PCR test?
The first step toward determining if you have COVID-19 is to get tested-- whether is through an antigen or a PCR test. The introduction of at-home antigen (rapid) tests offer a new level of convenience, providing results in a matter of minutes. But they can sometimes be difficult to find and are described by many experts as less accurate than ...
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