PFAS Exposure Associated with Suppressed Immune Response in Vaccinated Adults, Study Reports
A 2026 study has found that adults with higher exposure to per- and polyfluoroalkyl substances (PFAS) produced significantly fewer antibodies after receiving a COVID-19 vaccine. The research, published in the journal Environmental Research, examined 74 fully vaccinated adults living in a Michigan community known to have PFAS-contaminated drinking water.
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