The study in Barcelona investigated the influence of personal concentrations of per- and polyfluoroalkyl substances (PFAS), persistent organic pollutants (POPs), and chemical elements in individuals’ blood (collected in 2016-2017) on SARS-CoV-2 infection and COVID-19 outcomes. PFAS were not associated with SARS-CoV-2 seropositivity or COVID-19. However, previously identified mixtures of POPs and elements were significantly associated […]