No abstract available
MeSH terms
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Adolescent
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Bordetella / isolation & purification*
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Bordetella pertussis / isolation & purification*
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Carrier State / diagnosis
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Child
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Child, Preschool
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Czechoslovakia
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Diagnosis, Differential
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Disease Outbreaks
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Disease Reservoirs
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Epidemiologic Methods
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Health Surveys*
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Humans
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Infant
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Infant, Newborn
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Mass Screening
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Pertussis Vaccine
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Respiratory Tract Infections / epidemiology
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Respiratory Tract Infections / microbiology
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School Health Services
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Seasons
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Vaccination
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Whooping Cough / epidemiology*