"In those times, people were much healthier and, of course, the high rates of autism now observed did not exist. While anti-vaccine and vaccine skeptic voices applauded Trump’s order, public health experts said the directive will prove deadly. "Under the draft executive order, mandatory vaccine requirements for children to attend school would be also put at further risk. Physicians serving in Congress from both parties also decried Trump's order. "Parents should listen to their child’s pediatrician about vaccines rather than listening to an inaccurate executive order," Cassidy added.