Autism More Condition_symptoms Could Getting A MMR Booster Shot For My Autistic Child Possibly Cause Her Autism To Be More Severe?

Could getting a MMR booster shot for my autistic child possibly cause her autism to be more severe? - autism more condition_symptoms

My daughter is almost 4 years. She suffers from mild autism spectrum. If the possibility exists that vaccines are the cause of mental retardation .. is terrible, and if 5 should receive booster doses, MMR .. Autism may be more serious? I do not understand its value if it ... His life is already a tough fight .. I need advice .. HELP!