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A comment on Cuba′s Covid vaccine rivals Pfizer, Moderna. Parent comment

Re:Cuba′s Covid vaccine rivals Pfizer, Moderna by baix777 on Sunday June 27, 2021 @08:28PM (#27656802)
A recent study put the Pfizer vaccine at a 97% hospitalization prevention rate, which is much better than the AZ one. How comparable all these studies is a good question.

https://www.cidrap.umn.edu/news-perspective/2021/05/real-wor...

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Re:Cuba′s Covid vaccine rivals Pfizer, Moderna by maxerickson on Sunday June 27, 2021 @09:20PM (#27657117)
The US vaccines use a different spike protein than the AZ vaccine. It's likely that they are truly more effective.
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