US single-week swab testing adds more than 500,000 new cases 2020-10-30 Chinanews.com, October 30. De acordo com o site chinês dos EUA, 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. Mais do que 500,000 new cases in a …