The study, conducted by medical experts at Stanford University, indicated less than 10 percent of the U.S. population had COVID-19 antibodies in July.
Results of a nationwide COVID-19 antibody study indicate herd immunity"remains out of reach" in the U.S., with less than 10 percent of participants testing positive for proteins that could potentially offer protection from repeat infections.— conducted by Stanford University researchers in July and published by peer-reviewed medical journalon Friday— evaluated the presence of COVID-19 antibodies in blood samples from 28,500 dialysis patients across 46 states.
Based on the data collected, researchers estimate roughly 9.3 percent of the country's population had COVID-19 antibodies in July. Cross referencing its data with figures published by Johns Hopkins University, the study suggested just 9.2 percent of individuals with antibodies were formally diagnosed with the respiratory illness.
As of Sunday morning, Johns Hopkins University's ongoing COVID-19 tracker tallied more than 7 million positive cases reported in the U.S. since the pandemic began in March. Of those confirmed diagnoses, more than 204,500 people have died from the disease.
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