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 ...

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 ...

Antigen tests that are ready in 15 minutes and can be stored and used at home have been crucial for many who are trying to mitigate risk of contracting the coronavirus. But now some people with ...

In a study involving nearly 1,000 patients seen at the Baltimore Convention Center Field Hospital (BCCFH) during a five-month period in 2022 - researchers at Johns Hopkins Medicine, the University of ...

It was possible -- albeit rare -- for people not infected with SARS-CoV-2 to have persistent false positive rapid antigen COVID-19 tests, longitudinal data showed. Among a large cohort of over 11,000 ...

About 60% of healthcare workers participating in an optional rapid antigen testing program at UCLA tested positive at day five, and about 50% were positive at day seven after initially testing ...

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, ...

Antigen test results still are not included in the total count of Covid-19 cases for some states -- not even as probable cases, as the US Centers for Disease Control and Prevention recommends. Antigen ...

More than 56,000 COVID-19 antigen rapid tests are being recalled because they may provide inaccurate results, according to federal health officials. Universal Meditech Inc., which initiated the ...