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The average annual rates of GBS by age group for the 5 years analysed were consistent with previous data;thus we are confident that the surveillance system is sufficiently sensitive.There was no statistically significant association between measles vaccination and GBS.If there is any casual relation,the number of GBS cases due to measles vaccination was so small that data from the vaccination of more than 70 million children were not sufficient to detect a rise in the number of observed GBS cases beyond the expected number. |
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