HUAT! Taiwan H5N2 + H5N8 bird flus the first globally started

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https://tw.news.yahoo.com/%E5%8F%B0%...104155418.html

台禽流感新型H5N2 全球首見
中央社中央社 – 2015年1月11日 下午6:41

（中央社記者楊淑閔台北11日電）農委會動植物防疫檢疫局表示，全國共驗24場鴨及鵝檢體送驗 ，驗出1場染 H5N8，5場驗出新型H5N2病毒株，都是台灣沒有發現過的，且這次驗出的新型H5N2病毒為全球首 見。

防檢局證實，雲林4鵝場確認是新型H5N2亞型禽流感，嘉義縣1種鵝場確認感染與韓國株相近的 H5N8亞型 禽流感，以及屏東縣1蛋鴨場確認感染新型H5N2亞型禽流感。

防檢局補充，全國共計24場水禽送驗，其中蛋鴨場1場，其餘都是鵝場，包含雲林11鵝場、嘉義 8個鵝場、台 南1鵝場，以及屏東1鴨場、3鵝場，後續還有18場會陸續公布。

當中有6個場已驗出2種病毒，都是在台灣都沒有發現過的，共將撲殺鵝8500多隻、蛋鴨近70 00隻，都在 今天執行。

其中H5N8亞型病毒與2014南韓發生者最相近，其中的N5與韓國的相似度99%、N8與韓 國相似度98 %。

防檢局強調，新型H5N2亞型病毒的H5與韓國的相似度99%，N2與2011年中國吉林相似 度96%，而 且本次驗出的H5N8亞型禽流感與新型H5N2亞型禽流感在基因序列都有驗出6個鹼基，高過前 2年爆發的H 5N2禽流感時驗出的4個鹼基，所以致死率都很高。

家畜衛生試驗所所長蔡向榮說，新型H5N2亞型禽流感的病毒是重組過的，今天通報世界動物衛生 組織（OIE ）後，將會是全球首例。

中興大學獸醫系教授沈瑞鴻說，這2個病毒驗出6個鹼基非常高，在台灣是首見，但全球不是，H5 N1就驗出過 6個。1040111


http://focustaiwan.tw/news/aeco/201501110015.aspx

Taiwan hit by new type of H5N2, H5N8 for first time
2015/01/11 20:22:14

Taipei, Jan. 11 (CNA) Taiwan's agriculture authorities confirmed on Sunday that outbreaks of avian influenza at goose farms in southern Taiwan have been caused by two highly pathogenic viruses -- H5N8 and a new type of H5N2 -- seen for the first time in the country.

The Bureau of Animal and Plant Health Inspection and Quarantine under the Council of Agriculture said the bird flu outbreaks reported at four goose farms in Yunlin County have been confirmed as being caused by a new strain of the H5N2 virus.

The H5N8 infection found in tissue samples from geese raised on a farm in Dalin Township in Chiayi County was identified as an H5N8 subtype similar to the avian flu virus that attacked South Korea in 2014, the bureau noted.

"Both of the viruses are new and have never been detected in Taiwan before," the bureau said in a statement.

The conclusions were based on laboratory tests of tissue samples collected from 23 goose farms and one duck egg farm in Taiwan, according to the bureau.

Measures have been taken to cull infected fowl, which include 6,000 geese at the four affected farms in Yunlin and more than 1,500 geese raised for breeding at the virus-hit farm in Chiayi, according to local governments.

The Chiayi County Agriculture Department said all geese at the goose farm in the county will be culled, and other farms raising fowl with a one-kilometer radius of the infected farm will be required to deliver samples for checks once a month for three straight months.

On Sunday, more than 7,000 ducks at a duck egg farm in Wandan Township in Pingtung County were also targeted for culling after suspicions that the farm had been hit by the H5N2 virus were confirmed.

Meanwhile, a goose farm in Tainan reported suspicious deaths Saturday, when 100 of over 800 geese from the farm died as they were being transported to a slaughterhouse in Pingtung County.

Lee Chao-chuan, head of the Tainan City Animal Health Inspection and Protection Office, confirmed the deaths Sunday, saying samples of dead geese have been sent for laboratory checks.

"The situation is not yet clear at the moment," Lee said.

Centers of Disease Control Deputy Director-General Chuang Jen-hsiang said the agency has subjected 83 poultry farm operators and quarantine personnel to simple health checks as a precaution, though experts at the agency judged that the H5N2 virus would not be transmitted from fowl to humans.

There has not been a single case of H5N8 infection among humans anywhere in the world, Agriculture Minister Chen Bao-ji said Sunday.

H5N8 is a virus existing in wild birds and mainly transmitted to ducks and geese, according to health experts.

Local authorities suspect that both the H5N8 and new H5N2 viruses were brought to Taiwan by migratory birds.

Because avian flu viruses can be eliminated during the cooking process at a temperature of 70 degrees Celsius and over, people are advised to cook chicken eggs or poultry well before eating them.



(By Yang Shu-min, Yeh Tzu-kang, Kuo Chu-chen, Chen Ching-fang and
Elizabeth Hsu)
ENDITEM/ls


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