美CDC发现到2019年12月中,已有1.4%的美国人有新冠抗体



散仙谷 http://www.webjb.org/webjb/sanxian/



送交者: testtesttest 于 2021-02-21 04:11:32

CDC found Covid endemic in the US before December, 2019: 1.4% of all Americans had C-19 antibodies in their systems by mid-December, 2019.


阅读次数:239

所有跟贴:

加跟贴

笔名: 密码: 注册笔名请按这里
标题:   分类主题名:

内容(可选项):

URL(可选项):
URL标题(可选项):
图像(可选项): 图片上传工具



所有跟贴·加跟贴·ɢɹ
Copyright © 2000 - 2020 webjb.org