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How Much Herd Immunity Is Enough?
/.../— Dr. Anthony S. Fauci, an adviser to both the Trump administration and the incoming Biden administration — has begun incrementally raising his herd-immunity estimate.
In the pandemic’s early days, Dr. Fauci tended to cite the same 60 to 70 percent estimate that most experts did. About a month ago, he began saying “70, 75 percent” in television interviews. And last week, in an interview with CNBC News, he said “75, 80, 85 percent” and “75 to 80-plus percent.”
In a telephone interview the next day, Dr. Fauci acknowledged that he had slowly but deliberately been moving the goal posts. He is doing so, he said, partly based on new science, and partly on his gut feeling that the country is finally ready to hear what he really thinks.
Hard as it may be to hear, he said, he believes that it may take close to 90 percent immunity to bring the virus to a halt — almost as much as is needed to stop a measles outbreak.
Asked about Dr. Fauci’s conclusions, prominent epidemiologists said that he might be proven right. The early range of 60 to 70 percent was almost undoubtedly too low, they said, and the virus is becoming more transmissible, so it will take greater herd immunity to stop it.
https://www.nytimes.com/2020/12/24/health/herd-immunity-covid-coronavirus.html
Detta gäller helt utan åtgärder ja.
Om nu 25-40% är immuna, 70+ är nära nog isolerade, en stor grupp arbetar hemma osv osv.
Då behövs inga 90% för att bromsa detta ordentligt.
Fram till vaccinationerna kommer ju detta underlätta ordentligt.
Självklart hade jag hellre suttit i Norges sits, men i detta avseende så blir de ju mycket mer utsatta för brittiska mutationen..