No abstract available
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Female
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Haemophilus Infections / epidemiology*
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Haemophilus Infections / prevention & control
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Haemophilus Vaccines
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Haemophilus influenzae / isolation & purification*
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Haemophilus influenzae type b / isolation & purification
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Humans
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Incidence
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Infant
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Italy / epidemiology
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Male
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Vaccination / statistics & numerical data