As omicron cases continue to sweep the United States, the Food and Drug Administration is being urged to gather more information about how well at-home Covid-19 tests are able to detect the variant.

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

The Omicron BA.5 variant is the dominant coronavirus strain in the US, according to the CDC. Its symptoms are similar to past Omicron subvariants: a sore throat, sneezing, and a runny nose. Experts ...

June 26, 2025 – The new COVID-19 variant that now makes up about a third of U.S. COVID cases has a signature symptom: a painful sore throat that feels like "razor blades." "This 'razor blade sore ...

The fast-spreading BA.5 subvariant of Omicron and its close relative BA.4 now make up around 95% of COVID-19 cases in the U.S., according to estimates published Tuesday by the Centers for Disease ...