Natural Immunity makes vaccines irrelevant.
But some people ignore the science because it's inconvenient.
The Lancet Publishes Medical Prof's Warning That Natural Immunity Has Made Vaccine Mandates Irrelevant. https://beckernews.com/new-the-lancet-publishes-highly-acclaimed-medical-profs-warning-that-natural-immunity-has-made-vaccine-mandates-irrelevant-44156/
The letter: https://www.thelancet.com/journals/lanrhe/article/PIIS2665-9913(22)00038-8/fulltext#%20 and https://archive.ph/rWwqt