WHO、コロナ変異種「ワクチン有効」英以外5カ国で確認

WHO、コロナ変異種「ワクチン有効」英以外5カ国で確認
https://www.nikkei.com/article/DGXZQOGR2203D0S0A221C2000000

last-modified: 2020-12-22 12:36:10