No abstract available
MeSH terms
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Age Factors
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Bordetella pertussis / isolation & purification
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Brazil
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Child
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Child, Preschool
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Community-Acquired Infections / prevention & control
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Community-Acquired Infections / transmission*
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Humans
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Infant
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Pertussis Vaccine*
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Whooping Cough / prevention & control
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Whooping Cough / transmission*