Polymerase chain reaction (PCR) tests were the first available for spotting the coronavirus. They work by detecting the virus’s genetic material, and are very accurate. Then came rapid tests, also ...

People in the United States can now order more free Covid-19 tests from the federal government as the country heads into respiratory virus season with high levels of the coronavirus already ...

As Covid cases rise, at-home tests are a critical tool to keep yourself and others safe. Here are answers to a few common questions about when and how to use them. By Dani Blum Since the public health ...

With the holidays approaching and the omicron variant surging in some parts of the U.S., demand for rapid and at-home COVID-19 tests is higher than ever, and the wait at large PCR test sites can be ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW ORLEANS (WGNO)— There’s a high demand ...