I understand its like you stand on the edge "What happens if he didn't take it" vs "What happens if he did take it" As @Larry Cook said (and you can watch a documentary on dtap called DPT: Vaccine Roulette (1982) Here is the link (Click Here) The child gets into a reaction specially if he is afraid + the ingredients in these things are crazy Thank you Mr. @Larry Cook for accepting me in your community, my pleasure to go through your material and posts