Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
![](https://static01.nyt.com/images/2021/06/28/world/28virus-briefing-pfizer-az1/28virus-briefing-pfizer-az1-mediumThreeByTwo440.jpg)
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June 28, 2021 at 09:36PM
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June 28, 2021 at 11:48PM
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June 29, 2021 at 02:48AM
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June 29, 2021 at 05:48AM
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
![](https://static01.nyt.com/images/2021/06/28/world/28virus-briefing-pfizer-az1/28virus-briefing-pfizer-az1-mediumThreeByTwo440.jpg)
By BY CARL ZIMMER from NYT Health https://ift.tt/3dmaB54
via
via Blogger https://ift.tt/3dpaWnn
June 28, 2021 at 09:36PM
via Blogger https://ift.tt/3h06qxJ
June 28, 2021 at 11:48PM
via Blogger https://ift.tt/2TeY50d
June 29, 2021 at 02:48AM
via Blogger https://ift.tt/2TeyrZm
June 29, 2021 at 05:48AM
Mixing Pfizer and AstraZeneca vaccines provides strong protection, according to a preliminary study.
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