查詢結果分析
來源資料
頁籤選單縮合
題 名 | 2005年臺灣家禽流行性感冒監測=Surveillace of Avian Influenza in Taiwan in 2005 |
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作 者 | 鄭明珠; 李敏旭; 陳麗璇; 劉玉彬; 郭舒亭; 李淑慧; | 書刊名 | 行政院農業委員會家畜衛生試驗所研究報告 |
卷 期 | 41 民95.12 |
頁 次 | 頁39-47 |
分類號 | 437.257 |
關鍵詞 | 家禽流行性感冒; 感冒監測; Avian influenza; Virologic surveillance; |
語 文 | 中文(Chinese) |
中文摘要 | 本年度為持續性監測家禽流行性感冒在台灣野鳥及家禽的帶毒情形及疫情。樣本為候鳥季期間主要採集自台北、宜蘭、台南、彰化、嘉義及金門,本年度因疫情所需加強監測樣本區增加台中、高雄、屏東及澎湖等的水鳥棲地排遺檢體,另外部分地方防疫單位也有零星的野鳥採樣送檢。完成野鳥監測計4,506個樣本,監測得49株禽流感病毒,包括H1N1、H2N7、H3N6、H3N8、H3N9、H4N2、H4N3、H4N6、H5N2、H6N1、H7N3、H10N6、H10N8、H11N9、H12N2等15 種亞型,其中有11 株病毒為H3N8,10 株病毒為H4N6,其次為H3N6、H7N3及H10N8各5株。監測之樣本以鴨科鳥類的監測數量2,802為最多,鷸鴴科鳥類監測數1,358 次之,鷗科鳥類監測數111,其他鳥類235。監測到的家禽流行性感冒病毒除了2株分離自黑腹燕鷗的H3N8及H4N6及1株分離自大冠鷲的H12N2亞型之外,其餘皆分離自鴨科鳥類。今年監測共分離到5株H7N3病毒及1株H5N2病毒,分別於3月及11月分離自台北關渡及台南四草的野鴨排遺樣本,所有分離病毒株經病原性鑑定為均為弱毒株。本年度家禽場監測樣本來自主動監測場拭子檢體、某家禽屠宰場之雞隻氣管檢體以及復養場之哨兵家禽監測。今年1 至12 月總計監測了2,613 個樣本,除了一件哨兵家禽檢測到H5N2弱毒株以及另兩場雞場主動監測出H6N1病毒之外,其餘家禽場監測禽流感病毒結果均為陰性。以上監測結果確認台灣仍為亞洲H5N1 禽流感的非疫區,即使是入境的候鳥也沒有任何H5N1帶毒的證據,證實當前經由候鳥帶H5N1病毒入侵我國的風險仍低。 |
英文摘要 | The purpose of this surveillance was to realize epidemiology of avian influenza in Taiwan wild birds and poultry. In 2005, a total of 4,506 fecal samples from wild birds were examined. Forty-nine viruses were isolated and subtyped as H1N1, H2N7, H3N6, H3N8, H3N9,H4N2, H4N3, H4N6, H5N2, H6N1, H7N3, H10N6, H10N8, H11N9 and H12N2. Most of these viruses were isolated from duck fecal samples; but two viruses, H3N8 and H4N6, were isolated from terns. In addition, 5 strains of H7N3 and 1 strain of H5N2 viruses were isolated from the wild ducks in Taipei and Tainan, and all of those viruses were low pathogenic (LP) strains. In poultry surveillance, 2,613 samples collected from chicken farms, except one LP H5N2 virus isolated from 30 sentinel chickens in a clearance farm, no any H5 or H7 avian influenza virus was detected in other farms. In our conclusion, Taiwan is still a H5N1-free country. There was no evidence of H5N1 virus carried by the entry migratory birds. So that, the risk of this virus invade into Taiwan by migratory birds is very low. |
本系統中英文摘要資訊取自各篇刊載內容。