Most New York Coronavirus Cases Came From Europe, Genomes Show (Published 2020)

Since the first genome of the coronavirus was sequenced in January, researchers around the world have sequenced over 3,000 more, some of which are genetically identical while others carry distinctive mutations.Credit...National Institutes of Health/EPA, via Shutterstock New research indicates that the coronavirus began to circulate in the New York area by mid-February, weeks before the first confi