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A 32-year-old member asked:

Why is pertussis (whooping cough) still common in canada but not in other developed countries?

1 doctor answer2 doctors weighed in
Dr. Ratna Dhingra
Pediatrics 44 years experience
Poor immunisations: could either be because children are not getting immunized completely.it could also be because the immunity has been seen to wane in adults so until age 64 yrs they need TDap booster so they do not transmit it to children.

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Last updated Mar 25, 2015
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