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Covid Immunity Remains Low With Under 10% of U.S. Adults Exposed

Sept. 25, 2020, 10:30 PM

Fewer than one in ten Americans have antibodies to the virus that causes Covid-19, indicating relatively low rates of immunity to the pathogen that has killed more than 200,000 people in the U.S.

Just 8% of more than 28,000 blood samples tested in July had antibodies to SARS-CoV-2, according to research published in The Lancet medical journal. The samples, taken from patients undergoing blood-cleaning dialysis, correlate to about 9.3% of all adults nationwide, the study said.

The results are a blow to hopes that immunity may be reaching a level in the population that will help prevent the virus’s spread. ...

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