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HardeeHo's avatar

No because it cannot be true, IMHO. The UK Challenge Trial (https://www.nature.com/articles/s41591-022-01780-9) showed nearly half never became ill after intentional exposure. That was for the way early version, might be different now. We humans are quite diverse and have survived a lot of centuries of evolution. Our immune systems left alone are likely to protect us - even from a alteration of nature by humans.

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