Thứ Sáu, 2 tháng 10, 2020

NPR News: A Study In India Shows That Children Play Major Role In Coronavirus Transmission

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A Study In India Shows That Children Play Major Role In Coronavirus Transmission
A massive study of coronavirus cases in India found that a significant number of virus transmissions originate from and happen between children.

Đọc thêm tại NPR
at October 2, 2020 at 03:09AM
Health & Science
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