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 ...

Preliminary evidence suggests that rapid tests like Abbott BinaxNOW and Quidel QuickVue struggle to detect the omicron variant during an individual’s first few days of infection. AzmanL via Getty ...

In January 2022, the U.S. Food and Drug Administration (FDA) cautioned the public against a peculiar method for testing oneself COVID-19 tests. “FACT: When it comes to at-home rapid antigen #COVID19 ...

In the early days of the pandemic, public health officials scrambled to get a read on the new viral outbreak. The CDC covered all its bases, recommending specimens be sent to them in three ways for ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – Many Americans are relying on at ...

RALEIGH, N.C. (WTVD) -- It's a question some scientists are taking a deeper look at: Nose or throat -- what is the best way to do a COVID-19 test? A woman says she swabbed both her nose and throat and ...

COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...