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A comment on What the Omicron wave is revealing about human immunity. Parent comment

Re:What the Omicron wave is revealing about human immunity by jdrc on Thursday February 03, 2022 @06:32PM (#30200585)
The efficiency of vaccines for infection fell by 50% in 4 monts even for delta and other variants. Their effectiveness with omicron infection is very little.

https://www.thelancet.com/journals/lancet/article/PIIS0140-6...

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Re:What the Omicron wave is revealing about human immunity by jmckib on Friday February 04, 2022 @09:34AM (#30207203)
50% effectiveness against infection is still pretty significant. And note that OP said "essentially no viral vaccine prevents infection." I think we can agree that is not the case.
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Re:What the Omicron wave is revealing about human immunity by r2_pilot on Thursday February 03, 2022 @08:41PM (#30201749)
I've been exposed twice with known-omicron and have not gotten sick yet. YMMV.
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