China Slams U.S. for Hyping Covid-19 Source Theory: Virus Update Bloomberg 3 hrs ago China accused the U.S. of promoting theories that the coronavirus escaped from a high-security lab in Wuhan, as a fresh report about sick workers at the facility prompted Beijing to reaffirm denials. The spread of Covid-19 in the U.S. continues to slow, with the country ending its first week since June with no days of infections exceeding 30,000, according to data compiled by Johns Hopkins University and Bloomberg. Still, the U.S. Centers for Disease Control and Prevention warned that under-vaccinated areas in the U.S. could become hot spots for a mutation of the coronavirus first detected in India and is increasing surveillance of the more-transmissible variant.