No abstract available
MeSH terms
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Child, Preschool
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Haemophilus Infections / epidemiology
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Haemophilus Infections / prevention & control*
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Haemophilus Vaccines / immunology*
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Haemophilus influenzae type b*
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Humans
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Immunity, Herd
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Immunization Schedule
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Immunization, Secondary
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Incidence
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Infant
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Population Surveillance
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United Kingdom / epidemiology
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Vaccines, Conjugate
Substances
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Haemophilus Vaccines
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Vaccines, Conjugate