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2004 SEP 1 - (NewsRx.com & NewsRx.net) -- Researchers have not found any convincing evidence to link encephalopathy with pertussis vaccination.
"To assess whether pertussis-containing vaccines cause encephalitis or encephalopathy, the IMPACT network of Canadian pediatric centers screened more than 12,000 admissions for neurologic disorders between 1993 and 2002. Seven cases of encephalopathy began within 7 days after pertussis vaccination, but a more likely cause was found in each instance," scientists in Canada report.
"No attributable case followed administration of >6.5 million doses of vaccine," wrote Dorothy L. Moore and fellow members of the Canadian Paediatric Society/Health Canada Immunization Monitoring Program Active (IMPACT).
Moore and her coauthors published their study in Pediatric Infectious Disease Journal (Lack of evidence ...
Source: HighBeam Research, No evidence found linking encephalopathy to pertussis vaccination.