No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Child
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Child, Preschool
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Fatal Outcome
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Female
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Humans
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Infant
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Male
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Metapneumovirus / isolation & purification*
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Middle Aged
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North Dakota / epidemiology
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Paramyxoviridae Infections / diagnosis*
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Paramyxoviridae Infections / epidemiology*
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Risk Factors
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Severity of Illness Index*