US single-week swab testing adds more than 500,000 new cases 2020-10-30 Chinanews.com, 十月 30. According to the US Chinese website, the new crown epidemic in the United States has continued to deteriorate in recent days, and the US has newly confirmed more than 500,000 new crown flu dual epidemics in a single week. More than 500,000 new cases in a …