In a recent study published in the journal Cell, researchers investigated the infectivity, fusogenicity, and immune evasive potential of two novel Omicron subvariants – BA.2.86 and FLip. They used ...

The newly updated CDC guidelines don't require testing at the end of isolation because PCR tests can stay positive for up to 12 weeks, CDC Director Dr. Rochelle Walensky told "Good Morning America" on ...

Official COVID-19 case metrics severely undercount the true number of infections, leaving the United States with a critical blind spot as the most transmissible coronavirus variant yet takes hold. The ...

You've tested negative for COVID using a rapid antigen test (RAT), but are a close contact of a positive family member and have symptoms. So you might be wondering if you're really COVID-negative or ...

FILE PHOTO: Logo of Swiss drugmaker Roche is seen in Basel ZURICH (Reuters) - Roche has launched a new PCR test to detect a fast-spreading sub-variant of the Omicron variant of Coronavirus, the Swiss ...

Labs at Seattle-based University of Washington Medicine are gearing up to test the COVID-19 omicron variant against current vaccines and natural immunity to other strains, according to a Nov. 29 ...

Jan. 14—The realistic goal of vaccine-or-test requirements announced Wednesday by St. Paul and Minneapolis isn't to crush the coronavirus. Or promptly end the strain on hospitals. Or even to make ...

Kentucky reported nearly 30,000 new COVID-19 cases last week, more than twice the prior week's total as omicron causes record numbers of residents to test positive for the virus, Gov. Andy Beshear ...

Thea van de Mortel teaches into the Griffith University Master of Infection Prevention and Control program. You’ve tested negative for COVID using a rapid antigen test (RAT), but are a close contact ...