No abstract available
MeSH terms
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Adolescent
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Adult
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Antibodies, Viral / blood*
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CD4 Lymphocyte Count
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Child
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Child, Preschool
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Female
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HIV Infections / immunology*
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Hemagglutination Inhibition Tests
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Humans
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Infant
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Influenza A Virus, H1N1 Subtype / immunology*
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Influenza Vaccines / administration & dosage*
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Influenza Vaccines / immunology*
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Male
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Middle Aged
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Pregnancy
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Prospective Studies
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Young Adult
Substances
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Antibodies, Viral
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Influenza Vaccines