COVID Herd Immunity
The cluster discusses herd immunity in the context of COVID-19, debating whether it has been achieved, the impact of lockdowns and suppression measures on R0 and spread, and the roles of vaccines and natural infection in reaching immunity thresholds.
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Yes. But you can't expect to eradicate the disease. As measures are lifted cases start growing exponentially again.
We're probably past herd immunity at this point.
Aside from the fact that the jury's still out on whether infection actually confers immunity with Covid-19, the options are not just "get everyone infected" vs "eternal lockdown", you can actually suppress the disease to a level where new infections are rare and easily enough traced, or even completely absent.
Reaching herd immunity level is a possibility but not inevitable
R0 is less than 1 already in many regions...
How is it "herd immunity" If the virus is still spreading (and killing)?
There's something that I'm not getting in all this: given the R0 for this virus, the situation isn't going to disappear until about 70% of the population has developed immunity.The purpose of all these isolation and social distancing measures is to slow down the process in order not to overwhelm hospitals. But the news reports I've been reading about hospitals is that in general, in developed countries, the hospitals aren't overwhelmed.If 70% or so haven't de
You are infected with Media misinformation there is no expected herd immunity. This focus seems to be to reduce the severity for now.https://www.thelancet.com/journals/lancet/article/PIIS0140-6...
Wouldn't mortality rate drop off a cliff once we have herd immunity?
It's more about slowing the progress to spread out the number of infected over time.