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A comment on Covid vaccine: First ‘milestone’ vaccine offers 90% protection. Parent comment
As far as I recall, the high R0 of COVID-19 meant that >90% was needed for herd immunity. You then also have to factor anti-vaxxers into the equation.
It's a good stop-gap for the 90% who develop immunity, but we need a better vaccine even in developed countries.
As far as I recall, the high R0 of COVID-19 meant that >90% was needed for herd immunity. You then also have to factor anti-vaxxers into the equation.
It's a good stop-gap for the 90% who develop immunity, but we need a better vaccine even in developed countries.