The MMR debate

The MMR debate


During the 1990s, UK research suggested a possible link between the MMR (measles, mumps, rubella) vaccination and autism.

The theory posed was that introducing three live virus strains, as is contained in the MMR, could ‘overload’ a child’s immune system and cause a particular type of inflammatory bowel disorder to develop. This disorder allowed harmful proteins to enter the bloodstream and travel to the brain, causing autism.

 

Since that initial research, numerous studies have failed to support a link between the MMR and autism. The World Health Organization, the Centers for Disease Control, the UK Department of Health and other independent expert advisory groups have reviewed the evidence and concluded there is no link, and several of the scientists involved in the original study have disassociated themselves from it, claiming that the methods used were flawed.

 

However, due to the media furore, some parents have lost confidence in the MMR combined vaccine and have chosen to give the vaccinations separately. Many parents have also chosen not to vaccinate their children at all.

 

What about single dose MMR?

It’s not recommended that children are given their MMR immunizations separately. This is partly because of the time lapse between each vaccine (meaning the child is theoretically open to infection) and the fact that there is no evidence to suggest that it is safer to administer the MMR this way.



The information in this feature is intended for educational purposes only. If you have any concerns about your health, the health of your child or the health of someone you know, please consult with a doctor or other healthcare professional.

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