Thứ Tư, 9 tháng 9, 2020

NPR News: COVID-19 Vaccine Trial Paused, Due To Illness In One Volunteer

COVID-19 Vaccine Trial Paused, Due To Illness In One Volunteer
A large study of a COVID-19 vaccine candidate has been put on hold after one of the volunteers became ill.

Đọc thêm tại NPR
at September 9, 2020 at 06:17AM
Health & Science

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