Session Keynote Address: The Impact of Avian Influenza Viruses on Public Health
In the late 1990s, H5N1 and H9N2 avian influenza viruses caused respiratory infections in humans in Hong Kong. Exposure to domestic poultry in live-bird markets was significantly associated with human H5N1 disease. Seroepidemiologic studies conducted among contacts of H5N1-infected persons determined that human-to-human transmission of the avian H5N1 viruses occurred but was rare. The relatively high rates of H5 and H9 antibody seroprevalence among Hong Kong poultry workers in 1997 highlight the potential for avian viruses to transmit to humans, particularly those with occupational exposure. Such transmission increases the likelihood of reassortment between a currently circulating human virus and an avian virus and thus the creation of a strain with pandemic potential. /// A finales de la década de 1990, los virus de influenza aviar H5N1 y H9N2 ocasionaron infecciones respiratorias en humanos en Hong Kong. La exposición a aves domésticas en centros de mercadeo de aves vivas estuvo significativamente asociada con la enfermedad en humanos ocasionada por el virus H5N1. Mediante estudios seroepidemiológicos, realizados entre personas en contacto con personas infectadas con el virus aviar H5N1, se determinó que aunque el virus aviar H5N1 había sido transmitido de humano a humano, dicha transmisión había sido rara. Los índices de seroprevalencia de anticuerpos relativamente altos contra H5 y H9 entre trabajadores en contacto con aves domésticas en 1997 resaltan el potencial de transmisión de los virus aviares a humanos, particularmente en aquellas personas que por su ocupación se encuentran expuestas al virus. Dicha transmisión incrementa la probabilidad de reordenamiento entre los virus humano actualmente en circulación y los virus aviares, siendo potencialmente posible la creación de una cepa pandémica..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2003 |
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| Erschienen: |
2003 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:47 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Katz, J. M. [VerfasserIn] |
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| Links: |
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| Themen: |
Avian influenza virus |
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| Förderinstitution / Projekttitel: |
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JST012181838 |
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| 520 | |a In the late 1990s, H5N1 and H9N2 avian influenza viruses caused respiratory infections in humans in Hong Kong. Exposure to domestic poultry in live-bird markets was significantly associated with human H5N1 disease. Seroepidemiologic studies conducted among contacts of H5N1-infected persons determined that human-to-human transmission of the avian H5N1 viruses occurred but was rare. The relatively high rates of H5 and H9 antibody seroprevalence among Hong Kong poultry workers in 1997 highlight the potential for avian viruses to transmit to humans, particularly those with occupational exposure. Such transmission increases the likelihood of reassortment between a currently circulating human virus and an avian virus and thus the creation of a strain with pandemic potential. /// A finales de la década de 1990, los virus de influenza aviar H5N1 y H9N2 ocasionaron infecciones respiratorias en humanos en Hong Kong. La exposición a aves domésticas en centros de mercadeo de aves vivas estuvo significativamente asociada con la enfermedad en humanos ocasionada por el virus H5N1. Mediante estudios seroepidemiológicos, realizados entre personas en contacto con personas infectadas con el virus aviar H5N1, se determinó que aunque el virus aviar H5N1 había sido transmitido de humano a humano, dicha transmisión había sido rara. Los índices de seroprevalencia de anticuerpos relativamente altos contra H5 y H9 entre trabajadores en contacto con aves domésticas en 1997 resaltan el potencial de transmisión de los virus aviares a humanos, particularmente en aquellas personas que por su ocupación se encuentran expuestas al virus. Dicha transmisión incrementa la probabilidad de reordenamiento entre los virus humano actualmente en circulación y los virus aviares, siendo potencialmente posible la creación de una cepa pandémica. | ||
| 540 | |a Copyright 2003 The American Association of Avian Pathologists, Inc. | ||
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