How to buy, where to find one

As cases of the delta variant of COVID-19 continue to rise, rapid tests are in high demand. 

There are options for how and where to take the test, either at a pharmacy or clinic or at home through a self-administered test. 

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When to take a rapid COVID-19 test

Rapid tests are typically taken when you are experiencing symptoms, or know or suspect you may have been in close contact with someone who has tested positive for the virus.

How accurate is the rapid test

As with any test, it has its limitations. "Rapid antigen tests assess for acute infection only, not prior infection or response to vaccination," the Infectious Disease Society of America says on its website. The test looks for proteins from the novel coronavirus (as compared to the antibodies produced by an infected body measured by the PCR test for COVID-19). 

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