标题: [其他] The new coronavirus infected people in the U.S [打印本页] 作者: lixue123 时间: 2021-4-15 02:48 标题: The new coronavirus infected people in the U.S
The new coronavirus infected people in the U.S. in mid-December 2019, a few weeks before it was officially identified in China and about a month earlier than public health authorities found the first U.S. case, according to a government study published Monday.
