Desc: Virulent: The Vaccine War: Directed by Tjardus Greidanus. With Paul Offit, Todd Wolynn, Arthur Caplan, Ethan Lindenberger. "Virulent: The Vaccine War" examines the consequences of vaccine hesitancy and denial. It's a war anti-vax activists have been fighting for a decade. And COVID-19 is what they practiced for: A national conversation about vaccine safety.