2020-04-22から1日間の記事一覧
Some survery on antibody made in USA suggest that approx. 50 to 80 times of known number of infected person may have already caught ncov. I wonder what it will be like in this country.
Some survery on antibody made in USA suggest that approx. 50 to 80 times of known number of infected person may have already caught ncov. I wonder what it will be like in this country.