As we close in on two years of living with COVID-19, quick and accurate tests for COVID-19 remain an urgent priority. In fact, as schools reopen, businesses resume operations and people return to work ...

Now that COVID-19 is regularly circulating through communities, it’s hard to know if you should take a COVID test every time you have a sniffle. Gone are the days of COVID testing centers on every ...

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 ...

If you’re wondering if your fever, chills and body aches are a classic case of the flu or the dreaded COVID-19, your best option is to get tested. New variants are constantly circulating, as new ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

In a Sept. 9 speech, U.S. President Joe Biden pledged to increase production of rapid tests amid a raft of measures designed to combat the COVID-19 pandemic ( bit.ly/3D8eXac). “From the start, America ...

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" ...