How “Forever Chemicals” Might Impair the Immune System

Researchers are exploring whether perfluoroalkyl and polyfluoroalkyl substances (PFAS) might worsen infections or hamper vaccine effectiveness. Seeking to gauge effects in a particularly hard hit population, a CDC-supported study called AZ HEROES, is tracking COVID-19 infections and antibody levels in Arizona healthcare workers, emergency responders, and other essential workers. The study is led by researchers at the University of Arizona Mel and Enid Zuckerman College of Public Health.