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2004 NOV 3 - (NewsRx.com & NewsRx.net) -- Researchers have found no evidence that measles-mumps-rubella vaccination causes developmental disorders.
Concern that measles-mumps-rubella (MMR) vaccination might cause autism has led to a fall in vaccine coverage. We investigated whether MMR vaccination is associated with an increased risk of autism or other pervasive developmental disorders. We did a matched case-control study using the UK General Practice Research Database. Cases were people born in 1973 or later who had first recorded diagnosis of pervasive developmental disorder while registered with a contributing general practice between 1987 and 2001. Controls were matched on age, sex, and general practice. One thousand two hundred and ninety-four cases and 4,469 controls were included."
"One thousand and ten cases (78.1%) had MMR vaccination recorded before diagnosis, compared with 3,671 controls (82.1%) before the age at which their matched case was diagnosed," said Liam Smeeth and colleagues at the London School of Hygiene and Tropical Medicine. "After adjustment for age at joining the database, the odds ratio for association between MMR and pervasive developmental disorder was 0.86 (95% CI 0.68-1.09). ...
Source: HighBeam Research, MMR vaccination not associated with developmental disorders.