It may or not be related, please make sure YOU have done the research on vaccinations for YOUR child. The AAP recommended schedule of shots for children is too many, too soon. Here are sites and books that I always recommend for people to start their research:
www.909shot.com
www.tacanow.org
www.nvic.org
Healing the New Childhood Epidemics: Autism, ADHD, Asthma, and Allergies: The Groundbreaking Program for the 4-A Disorders, by Dr. Kenneth Bock
The Vaccine Book, by Dr. Robert Sears
What Your Doctor May Not Tell You About Childhood Vaccinations, by Dr. Stephanie Cave
Evidence of Harm, by David Kirby