A novel H1N1 virus causes the first pandemic of the 21st century
| Autor: | Wenwei Tu, J. S. Malik Peiris, Hui-Ling Yen |
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| Rok vydání: | 2009 |
| Předmět: |
Pregnancy
Immunology virus diseases Disease Biology History 20th Century medicine.disease_cause medicine.disease Virology History 21st Century Virus Influenza A virus subtype H5N1 Disease Outbreaks Influenza A Virus H1N1 Subtype Immunity Pandemic Influenza Human Influenza A virus medicine Human mortality from H5N1 Immunology and Allergy Animals Humans |
| Zdroj: | European journal of immunology. 39(11) |
| ISSN: | 1521-4141 |
| Popis: | A novel H1N1 virus of swine origin (H1N1v ) is currently spreading in humans, giving rise to the first pandemic in 40 years. The disease is of moderate severity but has notable differences from seasonal influenza. In contrast to seasonal influenza, those over 60 years are relatively spared, a likely consequence of the presence of H1N1v cross-neutralizing antibody in this age group. Most patients appear to have mild influenza-like illness and many of the complications leading to hospitalization and mortality occur in those with underlying disease conditions or pregnancy. Studies in animal models suggest that the novel H1N1v pandemic virus causes a more severe illness and appears to have a greater predilection for the alveolar epithelium than seasonal influenza viruses. As there are as yet little data on the pathogenesis and immunology of H1N1v infection in humans, we have reviewed relevant data from past pandemics, from seasonal influenza and avian influenza H5N1 to highlight key issues pertaining to pathogenesis and immunology. |
| Databáze: | OpenAIRE |
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