US President Donald Trump, with administrator of the centres for Medicare and Medicaid services Mehmet Oz, Dorothy Fink, acting US assistant secretary for health, national institutes of health director Jay Bhattacharya, Food and Drug Administration commissioner Dr Marty Makary and secretary of health and human services Robert F Kennedy Jnr, makes an announcement linking autism to childhood vaccines and the use of popular pain medication Tylenol for pregnant women and children in Washington DC on September 22 2025.