Rapid tests work well on Omicron variants, but only if your viral load is high at the time. You need to reach a certain threshold before any test — PCR or rapid — can detect your infection. Experts ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

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 ...

A lot of us are thinking about how to celebrate the holidays while feeling a little more Covid-19-safe this year. Testing is one tool for that, and here’s a little how-to video on using an at-home ...

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 ...

During the holidays, lots of Coloradans relied on rapid COVID-19 tests to determine whether they should gather for parties, visit with friends and family or stay home. But those tests weren’t widely ...

Paediatrician at the Royal Childrens Hospital and Associate Professor and Clinician Scientist, University of Melbourne and MCRI, Murdoch Children's Research Institute Many parents across Australia ...

JERUSALEM, Jan 10 (Reuters) - Israel's Health Ministry on Monday instructed people self-testing for COVID-19 to swab their throat as well as their nose when using rapid antigen kits to increase the ...

Scientists and public health experts built the COVID-19 pandemic response on years of experience navigating infectious disease outbreaks. Although lateral flow immunoassays have been central to ...

Jan 10 (Reuters) - The fast-spreading Omicron variant has made us more reliant on rapid at-home antigen tests to tell us if we have COVID-19. But should we be swabbing our throats as well as our noses ...