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Racial disparities in COVID-19 infections in Philadelphia

Our serology (antibody test) working group at Penn has completed some research studying the seropositivity of pregnant women in the University of Pennsylvania System, which treat 50% of pregnancies in Philadelphia.

The study found that about 10% of black and hispanic pregnant women were seropositive, meaning they had SARS-CoV-2 antibodies indicating they were previously infected, while white and Asian women only had a 2% seropositivity rate.

this paper is under revision with a major journal, and was featured in the New York Times a little while back. I'll update the link to the published paper once it is published.

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