ChinaTech&SciNew Studies Suggest COVID-19 Circulated in U.S. Before Wuhan Outbreak My NewsMay 3, 202503 minsNew evidence suggests SARS-CoV-2 was circulating in the U.S. months before Wuhan’s outbreak, sparking fresh debates on COVID-19 origins.Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Read More