According to the U.S. Centers for Disease Control and Prevention (CDC) and other sources, there are approximately 1.2 million ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

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 ...

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The United States leads the world in COVID-19 deaths but lags behind many countries — both large and small — in testing capacity. That could soon change. At the end of August, the US Food and Drug ...

"I would still say that distancing and outdoor air are your best friends," one leading public health expert told Insider.

FORT LAUDERDALE, Fla. — With COVID-19 cases on the rise, taking an easy-to-get rapid test can give you quick results. But the timing has become tricky. If you have COVID symptoms, such as fever, cough ...

An announcement from the White House could expand rapid COVID-19 testing significantly as President Trump boasts about U.S. testing capacity. Harvard epidemiologist Dr. Michael Mina lays out the ...

The announcement came last week with the White House signaling a billion-dollar investment in at-home rapid coronavirus tests. It also said 20,000 pharmacies across the country would offer free ...

Facing long lines and shortages of home test kits during the latest surge, people are searching for answers about Covid tests. By Tara Parker-Pope Dani Blum and Nicole Stock Testing is essential to ...