Integrating case counts with genomic sequences quantifies real-time transmission advantages of viral variants.

A new Covid-19 variant has begun to become the dominant in recent weeks, across the US and the UK. Stratus continues to be classified as a "variant under monitoring," by the World Health Organization, ...

Donald Trump on Friday unveiled a new commemorative passport that quickly sparked confusion online, with critics questioning whether the president understands what a passport is actually for. The ...