littleike0 t1_j2s783l wrote
Reply to comment by Don_Ford in COVID-19 vaccines, prior infection reduce transmission of Omicron: Vaccination and boosting, especially when recent, helped to limit the spread of COVID-19 in prisons during the first Omicron wave, according to researchers that examined transmission between people living in the same prison cell. by lolfuys
Sorry…how exactly would this be selection bias?
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