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 ...

COVID-19 rapid tests are easy to take—and then toss. So most people never report their results, which leaves health officials with an incomplete picture of how much virus is circulating and where. The ...

The COVID-19 pandemic marked the first time in the history of pandemics where self-testing was used as an essential component of a widespread public infection control and prevention strategy. Nearly ...

People can test themselves about as accurately at home with rapid antigen coronavirus tests as health care professionals using the same tests, according to a Johns Hopkins Medicine-led study published ...

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 ...

FDA-authorized test for home use is the most affordable PCR-quality rapid test on the market and at least 50 times more sensitive than leading rapid antigen tests Detect’s FDA authorized PCR-quality ...

For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. The FDA issued an emergency use authorization for CorDx ...

The World Health Organization (WHO) said on December 24, 2025, that it has prequalified two rapid antigen diagnostic tests (Ag-RDTs) for SARS-CoV-2, the virus that causes COVID-19. According to WHO, ...

A new rapid testing site opened in San Diego County on Monday to determine if residents have the novel coronavirus or are possibly immune to the virus. The COVID Clinic, which was started by Orange ...

Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...