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By Helen Tager-FlusbergAlison SingerBrian K. Lee and Eric Garcia

Dr. Tager-Flusberg is the founder of the Coalition of Autism Scientists. Ms. Singer is the president of the Autism Science Foundation and mother of a child with autism. Dr. Lee is an epidemiologist. Mr. Garcia is the author of “We’re Not Broken: Changing the Autism Conversation.”

Alex Ellerbeck, an Opinion health and science editor, hosted an online conversation with four autism experts to discuss the Trump administration’s news conference Monday on autism.

Alex Ellerbeck: On Monday, President Trump suggested that vaccines were contributing to the increase in autism and told parents to space out their children’s vaccine schedule. Mr. Trump and top health officials, including Health Secretary Robert F. Kennedy Jr., linked Tylenol to autism. Trump said pregnant women should only take it if they couldn’t “tough it out.” What was your reaction to this announcement?