PREMIUM
SILVIA TURIN (CORRIERE DELLA SERA)
Updated Wednesday, 5May2021-09: 27
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Direct Coronavirus Spain today, breaking news
Covid The reasons why herd immunity is probably impossible and what the future holds for us
Vaccines How many people must be vaccinated to achieve herd immunity?
Now that more than half of adults in the
United States
have received at least one dose of the vaccine against Covid-19 and a third are fully vaccinated, paradoxically the expert voices are multiplying that rule out that we can reach what we did last year When we still did not glimpse the goal, it seemed a very distant horizon, but it had to be conquered in any way:
herd immunity
.
The paradox stems from the fact that at the time we didn't even know when, we didn't even know
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