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Joined: 09/07/2004 Posts: 6559
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He The “moving goalposts” on percent vaccination to reach herd immunity

Is pretty simple math.

Herd immunity percentage is (1-1/R0)*100

That means with an R0 of 2, (1-1/2)*100 = 50%
An R0 of 3, (1-1/3)*100 = 67%.

The more contagious the virus the higher the percent needed to protect. The delta variant has an R0 estimate of 6 with a range of 5-8. The original strain had an R0 of 2.4-2.6.

As the virus evolves to become more contagious, the percentage required climbs. Unlike some viruses in the past, this seems to have become more deadly as it has become more contagious.

The discussion over the research seems based around what is “Gain of Function”. The accusations and denials can be made. Independent experts who understand what was authorized and what “gain of function” is would be best qualified to answer.,what China did in the lab and If it was authorized to do so is another question.
[Post edited by BACKinBLACK at 07/22/2021 10:22AM]

(In response to this post by factchecker)

Posted: 07/22/2021 at 10:22AM


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For all the Fauci fans, apologists and defenders -- factchecker 07/22/2021 09:55AM
  Nice -- BACKinBLACK 07/22/2021 10:39AM
  There’s no evidence if you refuse to see the evidence. -- factchecker 07/22/2021 12:07PM
  I support a full, objective investigation. -- BACKinBLACK 07/22/2021 12:20PM
  I’m not hiding behind anything. -- BACKinBLACK 07/22/2021 12:36PM
  Nice response -- 84Buff 07/22/2021 11:15AM
  No, he wasn't true to himself. -- SamSpade 07/22/2021 11:05AM
  It’s what’s happening. ** -- cswilliam 07/22/2021 10:24AM
  Master Projectionist -- 84Buff 07/22/2021 11:17AM
  This post isn’t about Trump or 1/6. ** -- factchecker 07/22/2021 11:02AM
  No - but my response is about the gestalt -- cswilliam 07/22/2021 11:31AM
  Yeah your Gestalt view is pretty transparent. -- factchecker 07/22/2021 12:16PM
  Just the left half . . . ** -- 84Buff 07/22/2021 1:06PM
  It was opinion, no evidence provided. -- BACKinBLACK 07/22/2021 10:40AM