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A comment on Pfizer 91% effective in updated data, protective against South African variant. Parent comment

Re:Pfizer 91% effective in updated data, protective against ... by roywiggins on Thursday April 01, 2021 @07:12PM (#26667450)
I think it's likely that the real-world protection against death is actually lower than 100%- immune compromised people exist, and are liable to be comparatively poorly protected. And they're not part of the big efficacy trials.

Ideally you can protect them by suppressing the virus by herd immunity, which I think is actually a viable prospect with these vaccines.

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Re:Pfizer 91% effective in updated data, protective against ... by mapme on Thursday April 01, 2021 @11:15PM (#26668736)
Yes, this was seen in the Israel Pfizer data that death protection was around 93%. There are a number of public data points from Israel with sample sizes that dwarf anything done in trials. Shame it’s not mentioned more as it’s incredibly robust (positive) evidence
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