Avian Influenza

INDEX * Introduction * History * Risk factors and avian in fluenza viruses * Symptoms and Prevention * Conclusion * Bibliography Introduction Avian influenza is an transmittance caused by avian (bird) influenza (flu) A viruses. These influenza A viruses occur naturally among birds. Wild birds worldwide target flu A infections in their intestines, but usually do non get sick from flu infections. However, avian influenza is in legality contagious among birds and some of these viruses can make certain domestic bird species, including chickens, ducks, and turkeys, very sick and kill them. Avian influenza virus Infected birds can shed influenza virus in their saliva, nasal secretions, and feces. Susceptible birds become give when they cause jot with polluted secretions or excretions or with surfaces that are contaminated with secretions or excretions from give birds. Domesticated birds may become infected with avian influenza virus through with(predicate) direct tint with infected waterfowl or other infected fowl, or through contact with surfaces (such as dirt or cages) or materials (such as water or feed) that have been contaminated with the virus.

tinkers dam flu is also known as H5N1 History The H5N1 virus subtype - a exceedingly pathogenic AI virus- first infected human in 1997 during a poultry outbreak in Hong Kong SAR, China. Since its widespread re-emergence in 2003 and 2004, this avian virus has spread from Asia to atomic number 63 and Africa and has become fasten in poultry in some countries, resulting in millions of poultry infections, several hundr ed human cases, and numerous human deaths. ! Outbreaks in poultry have seriously impacted livelihoods, the economy and world-wide trade in affected countries. Ongoing circulation of H5N1 viruses in poultry, peculiarly when endemic, continues to pose threats to public health, as these viruses have both the potentiality to cause serious disease in wad and may have the potential to change into a function that...If you wishing to get a full essay, order it on our website: BestEssayCheap.com

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