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," ...

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 ...

In a recent study posted to the bioRxiv* preprint server, researchers assessed the stability of ancestral severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) lineage in human biological ...

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.