Board logo

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.




欢迎光临 人在德国 社区 (http://csuchen.de/bbs/) Powered by Discuz! 7.2