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Researchers: PFAS exposure linked to vaccine efficacy, children’s immune systems

BOSTON — A week after a study found higher levels of PFAS in Cape Cod drinking water than was previously known, scientists from Harvard University’s T.H. Chan School of Public Health said exposure to the “forever chemicals” can have a negative effect on immune system development in children and is associated with some risk factors for COVID-19.

“We are late in realizing what these compounds do to the immune system, and in the meantime, these PFAS compounds have been spread globally,” Dr. Philippe Grandjean, an adjunct professor of environmental health, said during a public webinar Thursday. “I’ve never met a blood sample that did not contain PFAS. We are all exposed.” Read more…