The never ending quest for herd immunity

Last week I read a news article on how the CDC are moving away from a target of controlling the covid epidemic by trying to reach herd immunity. In the words of Dr Jefferson Jones, a medical officer on the CDC’s COVID-19 Epidemiology Task Force: The prospects for meeting a clear herd-immunity target are “very complicated,” … Thinking that we’ll be able to achieve some kind of threshold where there’ll be no more transmission of infections may not be possible,”

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