Thứ Bảy, 26 tháng 12, 2020

NPR News: For Scientists Who Study Virus Transmission, 2020 Was A Watershed Year

For Scientists Who Study Virus Transmission, 2020 Was A Watershed Year
The emergence of COVID-19 started scientists on a year-long, crash course to learn how this virus might travel through the air and how to stop it. They learned a lot, and quickly.

Read more on NPR

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