When it comes to respiratory viruses, including corona-viruses, there is such a thing as cross reactive immunity where catching one respiratory virus will give short term protection against other respiratory viruses.
If you go and look back through Rintrah's archive, he wrote an excellent article about how catching a mild cold virus such as a rhinovirus can help protect against more virulent respiratory viruses.
It was never the case that people had no immunity against sars2.
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branchandroot
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Date: 2023-09-07 01:43 am (UTC)If you go and look back through Rintrah's archive, he wrote an excellent article about how catching a mild cold virus such as a rhinovirus can help protect against more virulent respiratory viruses.
It was never the case that people had no immunity against sars2.