US far from herd immunity -- with less than 10% of adults showing virus antibodies: study

Around 90% of U.S. adults are at risk of contracting COVID-19, according to a new study from Stanford University.The study was published Friday in the medical journal The Lancet.Using data from dialysis centers across the nation, researchers found that less than 10% of adults had antibodies against COVID-19 by the end of July — which means that “herd immunity remains out of reach,” the study concluded.Herd immunity occurs when a significant part of the population becomes immune to an infectious disease.Those figures match a forthcoming study by the Centers of Disease Control, which should be p...

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