Undervaccination appears associated with increased risk of whooping cough

http://feedproxy.google.com/~r/sciencedaily/~3/SWQBNqvvIGo/130909162019.htm

Undervaccination with the diptheria, tetanus toxoids and acelluar pertussis (DTaP) vaccine appears to be associated with an increased risk of pertussis (whooping cough) in children 3 to 36 months of age, according to a new study.

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