No abstract available
MeSH terms
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Antibodies*
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Black People*
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Chick Embryo
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Child
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Connecticut
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Death, Sudden*
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Hemagglutination Inhibition Tests*
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Infant
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Infant, Newborn
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Laryngitis*
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Lung*
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Neutralization Tests*
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Orthomyxoviridae Infections*
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Orthomyxoviridae*
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Paramyxoviridae Infections*
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Pathology*
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Pharynx*
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Pneumonia*
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Pneumonia, Viral*
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Serology*
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Tissue Culture Techniques*