IDSA
13 days ago
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. #AskReuters https://t.co/h835CzDSkv
Q6. When do you estimate the United States will achieve herd immunity? What about globally? #AskReuters
3
22
35
Replies
IDSA
13 days ago
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.
1
0
2
@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.
0
0
0