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avian influenza |
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avian influenza: see influenza influenza or flu, acute, highly contagious disease caused by a virus; formerly known as the grippe. There are three types of the virus, designated A, B, and C, but only types A and B cause more serious contagious infections. ..... Click the link for more information. . bird fluor avian influenzaviral respiratory disease, mainly of birds including poultry and waterbirds but also transmissible to humans. Symptoms in humans include fever, sore throat, cough, headache, and muscle aches. Severe infections can result in life-threatening complications such as pneumonia and acute respiratory illness. The first known human cases occurred in Hong Kong in 1997, resulting in six deaths. Deadly outbreaks among poultry in several countries in eastern and central Asia between 2003 and mid-2005 were accompanied by more than 100 human cases, about half of them fatal. The causative agents are virus subtypes related to the human influenza type A viruses, the most virulent and contagious being the H5N1 subtype. A specific protective vaccine for this virus remains to be developed. Studies suggest that some antiviral drugs that work against human influenza may be effective in treating bird flu in humans. |
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It has been an enigma why people get sick and die from H5N1 avian flu virus, but the virus does not spread well in humans," study leader and University of Wisconsin virologist Yoshihiro Kawaoka told WebMD. Nemetz presented information on the influenza virus, what it does, how it changes and develops, why there is such concern about the Avian flu virus and how companies can provide a corporate medical response. Schools across Europe are developing plans to ensure education can continue outside of school buildings through online education should the avian flu virus shut down facilities and make daily attendance impossible. |
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