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Sunday, 6 June 2021

How a vaccination experiment transformed one small city https://ift.tt/eA8V8J

June 06, 2021 CNN.com - RSS Channel - World , 0 Comments
Hope has returned to the small city of Serrana, Brazil, after researchers vaccinated almost its entire adult population in a city-wide medical experiment this spring.

from CNN.com - RSS Channel - World https://ift.tt/3wYJmEU
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