A6. It’s complex. Herd immunity is not like stepping off of a cliff – one moment the virus is there & the next it's gone. We talk about it as the point at which there will not be sustained transmission. But even then, there will likely be continued small outbreaks. #AskReutershttps://t.co/h835CzDSkv
The best available estimate comes from a formula that uses the basic reproductive of the virus. Using the older estimates of R0, we get an estimate that transmission will slow when 60-70% of the population has immunity, either from vaccine or from recent infection.
@IDSAInfo@Reuters Note: It's mutating & people have gotten it twice, so herd immunity may not even be possible, but if it were, 11 million Americans would die before that happened, & that's not really an acceptable outcome.We don't even know how long the vaccine protects you. Herd immunity's moot.