The emergence of the newly identified Omicron coronavirus variant feels like a pandemic gut check. Scientists have long known that the world would see emerging coronavirus variants. Viruses mutate ...

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 ...

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 ...

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 ...

A blue gloved hand in the lab holding tubes of blood identified with the label COVID-19 New Variant. The COVID-19 pandemic was the third leading cause of death globally in 2020 and the second in 2021, ...

While for some, the coronavirus pandemic might feel like a lifetime ago, the virus is unfortunately still something we ought to be mindful of. New reports say a fresh variant, NB.1.8.1, descended from ...