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Information About Avian Influenza Bird Flu And Avian Influenza A H5N1 Virus

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Category : Health » Avian Influenza

Source : www.cdc.gov | Size : 92712

Avian influenza is an infection caused by avian (bird) influenza (flu) viruses . Information about Avian Influenza (Bird Flu) and Avian Influenza A (H5N1) Virus

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Content Summary :

Avian Influenza (Bird Flu) Avian influenza in birds Avian influenza is an infection caused by avian (bird) influenza (flu) viruses. These influenza viruses occur naturally among birds. Wild birds worldwide carry the viruses in their intestines, but usually do not get sick from them. However, avian influenza is very contagious among birds and can make some domesticated birds, including chickens, ducks, and turkeys, very sick and kill them. Infected birds shed influenza virus in their saliva, nasal secretions, and feces. Susceptible birds become infected when they have contact with contaminated secretions or excretions or with surfaces that are contaminated with secretions or excretions from infected birds. Domesticated birds may become infected with avian influenza virus through direct contact with infected waterfowl or other infected poultry, or through contact with surfaces (such as dirt or cages) or materials (such as water or feed) that have been contaminated with the virus. Infection with avian influenza viruses in domestic poultry causes two main forms of disease that are distinguished by low and high extremes of virulence. The “low pathogenic” form may go undetected and usually causes only mild symptoms (such as ruffled feathers and a drop in egg production). However, the highly pathogenic form spreads more rapidly through flocks of poultry. This form may cause disease that affects multiple internal organs and has a mortality rate that can reach 90-100% often within 48 hours.

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Avian Influenza

category Health » Avian Influenza

The risk from avian influenza is generally low to most people because the viruses . several subtypes of avian influenza infection have been reported since 1997. .

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Avian Influenza Backgrounder

category Health » Avian Influenza

Avian influenza AI is caused by a type A Orthomyxovirus. . Avian influenza viruses may be of low pathogenicity LPAI or high .

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Avian Influenza Brochure

category Health » Avian Influenza

LPAI or quot low path quot avian influenza naturally oc . HPAI or quot high path quot avian influenza is often fatal. in chickens and turkeys. .

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Avian Influenza Migratory Birds Fact Sheet Update

category Health » Avian Influenza

HEALTH FROM AVIAN INFLUENZA There are new reports of highly . H5N1 avian influenza in Southeast Asia resulted from contact with domestic poultry and or .

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Information About Avian Influenza Bird Flu And Avian Influenza A H5N1 Virus

category Health » Avian Influenza

Avian influenza is an infection caused by avian bird influenza flu viruses . Information about Avian Influenza Bird Flu and Avian Influenza A H5N1 Virus

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