Add Yahoo as a preferred source to see more of our stories on Google. The first challenge with rapid at-home self tests for COVID-19 is getting one. But once you have a test, there are now growing ...

LANSING – When it comes to detecting the coronavirus, not all tests are created equally. Two tests are widely available to see if someone has the virus: a polymerase chain reaction swab, or PCR test, ...

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 ...

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 ...

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" ...