Responding to RFK Jr.'s remarks, Representative Frost wrote on X, formerly Twitter: "This is disrespectful and a flat-out lie that further stigmatizes autism. It's not a virus or a disease — it's a neurological condition with a wide spectrum. Many Americans with autism work, pay taxes, and are living happy and healthy lives."

A coalition of autism advocacy groups issued a vigorous rebuke of the conspiracy theory-laden rhetoric Robert F. Kennedy Jr. has been pushing about the disorder, saying his latest commentary “undermines respect for Autistic people.”