Add Yahoo as a preferred source to see more of our stories on Google. By now, most of us know the basics of taking a COVID-19 test at home. With cases, test positivity and hospitalizations due to ...

Share on Pinterest A nasal swab test can be used to determine if a person has COVID-19. Getty Images Tests for COVID-19 include the polymerase chain reaction (PCR) diagnostic test, which is a nasal ...

Thea van de Mortel teaches into the graduate Infection Prevention and Control program at Griffith University. With Christmas around the corner and COVID-19 case numbers rising, it’s important to keep ...

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 ...

Every American traveling abroad needs to take an antigen test to return to the United States. But the start of the trip is often even more cumbersome, as many other countries (nearly every one I have ...

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.