Prevalence of SARS-CoV-2 antibodies in a large nationwide sample of patients on dialysis in the USA: a cross-sectional study
Study of monthly testing of remainder plasma of 28,503 patients receiving dialysis found that fewer than 10% of US adults had formed antibodies to SARS-CoV-2 as of July, 2020, with significant regional variation (< 5% prevalence in west; > 25% in northeast).
Source:
The Lancet
SPS commentary:
A related commentary commends this study for its scalable sampling strategy that offers a blueprint for standardised national serosurveillance but adds that questions remain around the longevity of the immune response and its conferred protection.