No abstract available
Keywords:
Africa; adolescents; clinical trial registry; qualitative data; vaccines.
MeSH terms
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Adolescent
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Adult
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Africa / epidemiology
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Aged
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Aged, 80 and over
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Biomedical Research / trends
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Child
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Child, Preschool
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Clinical Trials as Topic
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Communicable Diseases / epidemiology*
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Female
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Humans
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Immunization / methods*
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Infant
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Infant, Newborn
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Male
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Middle Aged
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Pregnancy
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Vaccines / immunology*
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Vaccines / isolation & purification*
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Young Adult