Scientists say WHO ignores the risk that coronavirus floats in air as aerosol: A total of 239 researchers from 32 countries signed the letter, which is set to be published next week in a scientific journal.
https://ift.tt/2ZByUE7 via /r/worldnews https://ift.tt/38q0MiL
Không có nhận xét nào:
Đăng nhận xét