By Carl Zimmer from NYT Science https://www.nytimes.com/2021/07/06/science/Israel-Pfizer-covid-vaccine.html?partner=IFTTT
By Carl Zimmer from NYT Science https://www.nytimes.com/2021/07/06/science/Israel-Pfizer-covid-vaccine.html?partner=IFTTT
Wednesday, July 7, 2021
The world is worried about the Delta virus variant. Studies show vaccines are effective against it.
By Carl Zimmer from NYT Science https://www.nytimes.com/2021/07/06/science/Israel-Pfizer-covid-vaccine.html?partner=IFTTT
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