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 ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

Retrospective analysis evaluated systematic asymptomatic screening using saliva PCR, with most tests performed within 72 ...

A Covid-19 antigen self-test kit shows a positive case on January 13, 2022 in Madrid. - Spain today agreed to cap the cost of Covid antigen tests at just under three euros after the government came ...

New York City officials released updated health and safety guidance for the coming fall Tuesday morning, quietly confirming that the Department of Education’s sweeping PCR testing program won’t be in ...

In a large-scale study funded by Kings College London, researchers successfully implemented an automated PCR-based testing program for SARS-CoV-2 using saliva samples from asymptomatic students and ...

Disney Cruise Line recently updated its COVID-19 pre-sailing protocols for all sailings that embark from a U.S. or Canadian port on or after June 7, 2022. The cruise company is still enforcing its ...

At-home COVID-19 tests have become an easy way to self-diagnose. But current tests have drawbacks, such as the length of time it takes to get an answer, or how accurately the test can identify a ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience ...

NEW YORK -- Should you take your COVID tests by swabbing your throat instead of your nostril? ABC's Chief Medical Correspondent Dr. Jen Ashton says it really depends on the test. Dr. Ashton joined ...