Higher levels of PFAS exposure may increase chance of Covid, studies say

Four studies are first to support theory PFAS could hinder body's ability to fight virus, but authors say more is research needed

Higher levels of exposure to toxic PFAS forever chemicals" may increase the likelihood of Covid-19 infection, more serious symptoms and death, a group of recent studies have found.

Public health advocates and researchers have feared since the coronavirus pandemic's onset that PFAS, which are known to be immunotoxic, could hinder the body's ability to fight Covid-19, and the four studies represent the first bit of research supporting the theory. However, the authors caution that more research is needed.