4. Vaccines for Measles, Mumps and Rubella in Children. Demicheli V et al. Cochrane Database Syst Rev. 2012 Feb 15. Literature review of 5 randomized controlled trials, 1 controlled clinical trial, 27 cohort studies, 17 case-control studies, 5 time-series trials, 1 case cross-over trial, 2 ecological studies, 6 and self-controlled case series studies involving in all about 14,700,000 children and assessing effectiveness and safety of MMR vaccine (2004-2011). conclusion: Exposure to the MMR vaccine was unlikely to be associated with autism, asthma, leukaemia, hay fever, type 1 diabetes, gait disturbance, Crohn’s disease, demyelinating diseases, bacterial or viral infections. link:
www.ncbi.nlm.nih.gov/pubmed/22336803