Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

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 ...

This decision, well within current norms for care, was nonetheless consequential: The president was forced to cancel a trip to advocate for legislation in support of the domestic semiconductor ...

Amid a rise in COVID cases and the start of fall allergies, flu and RSV season, experts say testing is an important tool heading into the cooler month. With more people testing positive for COVID once ...

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

Note: This story is more than a week old. Given how quickly the Covid-19 pandemic is evolving, we recommend that you read our latest coverage here. Covid-19 community levels remain “low” in Vermont ...

At-home coronavirus screening has become a way of life for many Californians, but some medical experts are now cautioning that one test may not be enough to definitively determine whether someone is ...

Thea van de Mortel teaches into the Master of Infection Prevention and Control program at Griffith University. A new type of COVID test is set to be available from November for Australians to use at ...

This story was first published by Source New Mexico. New Mexico is preparing to no longer provide easily available, community-wide, free diagnostic testing for COVID, worrying community health ...