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by addandsubtract 2293 days ago
It's important to know where the 60-70% number comes from. He's basing it off of the evidence that the virus spreads at a ratio of 1:3. So every infected will spread it to 3 others and a pandemonium will only last as long as it can spread to >1 other person. Therefore, if 2/3 (66%) of the population is infected (hence immune), the virus won't be a pandemonium anymore. He's also assuming that nearly everyone will be infected at some point in time.

Source: NDR podcast 02.03.2020 @ 11:55

https://mediandr-a.akamaihd.net/download/podcasts/podcast468...