How A Chicago Dad Developed A Coronavirus Testing Program For His Son's School
Ed Campbell, a suburban Chicago dad and immunologist, adopted a COVID-19 screening program for his local school district. NPR's Scott Simon asks him about it.
Đọc tiếp trên NPR
At September 26, 2020 at 06:47PM
Categoty Education
Thứ Bảy, 26 tháng 9, 2020
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