[Effect of Pentavac and MMR vaccination on the intestine.].

Objective: The safety of infant vaccination has been questioned in recent years. In particular it has been suggested that the measles, mumps and rubella (MMR) vaccination leads to brain damage manifesting as autism consequent to the development of an "enterocolitis" in the immediate post-vaccination period.

Aim: To assess if MMR vaccination is associated with sub-clinical intestinal inflammation which is central to the autistic "enterocolitis" theory.