The new variant, Nimbus, is not causing a spike in hospitalizations, but doctors are still warning about the symptoms.

On Monday, the Food and Drug Administration approved new COVID-19 shots, and the Centers for Disease Control and Prevention quickly recommended that anyone six months or older roll up their sleeves ...

As many as 50% of those in the United States testing positive for COVID-19 in the coming weeks may find out via an at-home test, researchers say. That creates challenges for tracking case counts.

The US Food and Drug Administration’s top vaccine official overrode agency experts in May to recommend against the broad use of two Covid-19 vaccines, newly released documents show. Dr. Vinay Prasad, ...