The World Is Still Far From Herd Immunity for Coronavirus

Source: The New York Times

The coronavirus still has a long way to go. That’s the message from a crop of new studies across the world that are trying to quantify how many people have been infected, according to a New York Times report.

Official case counts often substantially underestimate the number of coronavirus infections. But even in results from a new set of studies that test the population more broadly to estimate everyone who has been infected, the percentage of people who have been infected so far is still in the single digits. The numbers are a fraction of the threshold known as herd immunity, at which the virus can no longer spread widely. The precise herd immunity threshold for the novel coronavirus is not yet clear; but several experts said they believed it would be higher than 60 percent.

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