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Vaccine Table Updated: Sept 23
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Vaccine Table Updated: Sept 23

Katelyn Jetelina
Sep 23, 2021
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It’s been a while since I updated my vaccine table. And, honestly, things are getting so complicated so fast that I’ve been actively avoiding it. But I keep getting requests, so here it is. Peach colors means changes/updates from last table.

A few notes…

  • ACIP has been meeting re: 3rd dose for Pfizer. Today they’ll decide on who, exactly, needs a third dose

  • I removed vaccines not approved/authorized in the United States (AstraZeneca, Novavax, J&J smaller, two dose trial). I recognize that I have a very international audience on this (someone even translated this in Greek before!), but I’m barely being able to keep track of things in the United States. If I find time, I’ll update the international vaccines on another post

  • Neutralizing antibodies (NA): This is always asked when I post this table. There are two ways to measure how well a vaccine works: Efficacy and immunogenicity. Immunogenicity is a more complicated metric that measures the type of immune responses that the vaccine generates and their magnitude over time (i.e. neutralizing antibodies). It’s difficult to directly map NA to a protective immune response. But the higher the number the better.

Love, YLE

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Shirley C
Sep 26, 2021

Thanks for the valuable information you provided. Really appreciate the time and effort you into this.. may j enquire if there is a list of studies you compile this data from ? Thanks.. just trying to persuade some vaccine hesitant folks about real data.

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