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Áhrif Pentavac- og MMR-bólusetningar á þarma ungbarna

Authors
Journal
Læknablaðið
0023-7213
Publisher
Laeknabladid/The Icelandic Medical Journal
Publication Date
Keywords
  • Ungbörn
  • Bólusetningar
  • Einhverfa
Disciplines
  • Design

Abstract

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. The study was not designed to test directly the association of autism to MMR vaccination. Material and methods: We studied 109/20 infants, before and two and four weeks after immunization with Pentavac and MMR vaccines, for the presence of intestinal inflammation (faecal calprotectin). Results: Neither vaccination was associated with any significant increase in faecal calprotectin concentrations. Conclusions: The failure of the MMR vaccination to cause an intestinal inflammatory response provides evidence against the proposed gut-brain interaction that is central to the autistic "enterocolitis" hypothesis.

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