Abstract
Cross-species transmission of influenza A viruses from swine to human occurs occasionally. In 2011, an influenza A H1N1 virus, A/Jiangsu/ALS1/2011 (JS/ALS1/2011), was isolated from a boy who suffered from severe pneumonia in China. The virus is closely related antigenically and genetically to avian-like swine H1N1 viruses that have recently been circulating in pigs in China and that were initially detected in European pig populations in 1979. The isolation of JS/ALS1/2011 provides additional evidence that swine influenza viruses can occasionally infect humans and emphasizes the importance of reinforcing influenza virus surveillance in both pigs and humans.
Publication types
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Case Reports
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Antibodies, Viral / immunology
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Antigens, Viral / genetics
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Antigens, Viral / immunology*
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Child, Preschool
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China
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Genetic Variation
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Humans
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Influenza A Virus, H1N1 Subtype / classification
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Influenza A Virus, H1N1 Subtype / genetics
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Influenza A Virus, H1N1 Subtype / immunology*
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Influenza A Virus, H1N1 Subtype / isolation & purification*
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Influenza, Human / immunology
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Influenza, Human / virology*
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Male
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Molecular Sequence Data
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Orthomyxoviridae Infections / immunology
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Orthomyxoviridae Infections / virology*
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Phylogeny
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Swine
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Swine Diseases / immunology
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Swine Diseases / virology*
Substances
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Antibodies, Viral
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Antigens, Viral