One home swab now tells a household which of four winter respiratory viruses is present. But it can miss real infections that a lab PCR would catch ...

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don't have the ...

FDA-authorized test for home use is the most affordable PCR-quality rapid test on the market and at least 50 times more sensitive than leading rapid antigen tests Detect’s FDA authorized PCR-quality ...

Testing positive for COVID-19 is not exactly a positive experience. After all, wanting to go viral these days doesn’t tend to mean wanting to be infected by the severe acute respiratory syndrome ...

Pharmacies can sell 15 kinds of antigen test kits that received regulatory approval for medical use. Unauthorized test kits for “research use” are being offered online at affordable prices, but ...

For people who continue to test positive for COVID-19 late into their infection, it may be difficult to know what to do with those results.