Polymerase chain reaction (PCR) tests were the first available for spotting the coronavirus. They work by detecting the virus’s genetic material, and are very accurate. Then came rapid tests, also ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Add Yahoo as a preferred source to see more of our stories on Google. Rapid tests are inexpensive, easy to use and give fast results, usually within 10 to 15 minutes. Violeta Stoimenova/E+ via Getty ...

The team at Rapid Test & Trace began petitioning government to make self-testing free for the public in late 2020. They aggregated public healthcare professionals and medical specialists to help ...

The makers of at-home rapid Covid tests are scrambling to meet soaring demand as consumers prepare for holiday gatherings and tests are suddenly in short supply amid another coronavirus surge.

Lateral flow immunoassays, also called immunochromatography strips, are straightforward devices used to detect the absence or presence of a target analyte. Target analytes range from pathogens to ...

BOSTON (CBS) - Political leaders like Boston Mayor Michelle Wu and President Joe Biden have encouraged Americans to take advantage of at home rapid antigen COVID-19 tests as an additional way to stay ...

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