Is there any herd immunity at all

Corona pandemic - Because of mutations: Herd immunity is becoming increasingly unrealistic

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Science increasingly doubts whether herd immunity can be achieved at all. What does that mean for the future?

At the vaccination center in Winterthur: The vaccination campaign is in full swing - as far as this is possible with the existing vaccine. Around 400 senior citizens and high-risk patients can currently be vaccinated against corona every day.

77-year-old Crista Schlegel is one of them. She has high hopes for the vaccination: "I want to be with my grandchildren again, without being afraid and meet more people again."

Normality - many want that back. A wish that goes hand in hand with what is known as herd immunity. At the beginning of the pandemic, many researchers assumed that 60 to 70 percent of the population would have to be immune to corona so that the virus could no longer spread.

Mutations make it difficult to contain the virus

In the meantime, however, many experts expect a necessary immunization value of at least 80 percent. The main reason for this is the numerous corona mutations that have arisen in the meantime. It thus becomes increasingly difficult to achieve herd immunity.

“More and more scientists are doubting that this is still a realistic goal,” says SRF science editor Katrin Zöfel: “For Switzerland, or even entire regions in Europe, herd immunity with Corona is probably a condition that you keep repeating achieved for a while, but then it disappears again. "

We can't get rid of the virus.
Author: Christoph Berger Federal Commission for Vaccination Issues

The reason is that new variants are introduced or that immunity in those who have been vaccinated and recovered is falling again. A complete "eradication" of Corona is made impossible.

One possible solution: regular vaccinations

Christoph Berger, head of the Federal Commission for Vaccination Issues, is also convinced: “We cannot get rid of the virus. In the long term, however, we will see fewer cases of illness and fewer hospitalizations. " One consequence of this could, for example, be regular vaccinations against corona - as there are nowadays against influenza viruses.

Back to the vaccination center in Winterthur: Pensioner Robert Bosshardt from Schlatt near Winterthur / ZH has just received the first vaccination. In response to the new scenarios for the outcome of the pandemic, he says: “We'll just have to go in there. This is likely to be more difficult, especially for young people and those who work. "

10 before 10 a.m., 04/07/2021, 9:50 p.m.

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  • Comment from Rochus Schmid (Rochus Schmid)
    The up to 50-year-olds would usually have felt little or nothing of the disease and would therefore not have come to the hospital. With that we would have had a “buffer” of approx. 60% of the population “vaccinated naturally”.
    Agree agree to the comment
    1. answer from Beat Reuteler (br)
      The percentage of "Long COVID" and other complications is just too high. The natural "herd immunity" lasts far too long and is far too expensive for us.
      Agree agree to the comment
    2. Show answers
  • Comment from Mattias Derungs (Mattias Cristian Derungs)
    One could have foreseen for a long time that herd immunity would become more and more unrealistic! As long as border crossings at the national border and the airports are not restricted and consistently controlled, one should not be surprised in retrospect when new variants of virus mutations are increasingly being introduced, spread across the entire population within the country and in turn pushing back other viruses ! The same applies to the EU's external borders!
    Agree agree to the comment
    1. answer from Beat Reuteler (br)
      As long as the vaccinations are also effective against the variants, that doesn't really matter.
      Agree agree to the comment
    2. Show answers
  • Comment from Richard Meier (meierschweiz)
    "Science increasingly doubts" is written there. What linguistic nonsense: if anything, it is scientists (and probably only a few of them) who doubt it. It's like writing: "The culinary art is at its end" - a single cook has simply made the soup too salty.
    Agree agree to the comment
    1. answer from Pirmin Schläpfer (Gwunderer)
      Wonderful, Mr. Meier! Thanks! From a scientific point of view, someone has salted the soup! ^^
      Agree agree to the comment
    2. Show answers

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