美國研究人員找出第三個 PEDv 病毒株

taiwanp

在美國的研究人員已經確定豬流行性腹瀉病毒的新菌株（豬流行性腹瀉病毒），這是因為，如果不是更多，致命的是出現在美國2013年初的初始應變。

獸醫藥品的人口在明尼蘇達大學助理教授，道格拉斯Marthaler，報應變從美國疾病控制和預防上個月的雜誌。Marthaler認為該菌株是原始的突變。

Marthaler由路透社引述他的話說，這是進化的像豬流行性腹瀉病毒的性質，因為它們複製：“該病毒總是在變化”

雖然新菌株只被認定現在，它不知過了多久它已經存在而不被發現。目前還不清楚，如果新的毒株，甚至存在明尼蘇達州之外。

豬流行性腹瀉病毒的第二應變，最早是在2014年2月由農業部俄亥俄州部報告，它被認為是一個不太毒株。

底下為原文：

US researchers identify third PEDv strain
0341HEALTH / DISEASES
Researchers in the United States have identified a new strain of Porcine Epidemic Diarrhoea virus (PEDv), which is as, if not more, virulent as the initial strain that emerged in the US in early 2013.

Assistant professor of veterinary population medicine at the University of Minnesota, Douglas Marthaler, reported the strain in a journal from the US Centers for Disease Control and Prevention last month. Marthaler believes this strain is a mutation of the original.

Marthaler was quoted by Reuters as saying that it is the nature of viruses like PEDv to evolve as they replicate: "The virus is always changing."

Although the new strain has only been identified now, it is not sure how long it has existed without detection. It is also unclear if the new strain even exists outside of Minnesota.

A second strain of PEDv, was first reported in February 2014 by the Ohio Department of Agriculture, it is considered to be a less virulent strain.

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New strain of PED virus detected in Minnesota
美國明尼蘇達州發現PED新的病毒株
A new strain of porcine epidemic diarrhea virus has been found in a Minnesota herd.
一個新的PED病毒株在明尼蘇達州的豬場發現
From WATTAgNet:
U.S. researchers have identified a new strain of porcine epidemic diarrhea (PED) virus, a sign the virus will keep mutating as producers work to contain it.
美國的研究人員已經確認豬流行性腹瀉（PED）病毒的新菌株，這株標誌的病毒會不斷變異，而農場養殖者努力地控制它。
The third PED virus strain was detected in a Minnesota hog herd and found to be at least as virulent as an original strain that emerged in the United States in early 2013, Douglas Marthaler, assistant professor of veterinary population medicine at the University of Minnesota, said on January 5.
這是第三株的PED病毒株在明尼蘇達州的豬群場被發現，且含有原始病毒株的毒性力價。最早是在美國2013年初出現。Douglas Marthaler,這位明尼蘇達大學流行性疾病獸醫藥學系的助理教授在1月5日如此說
Marthaler, who reported on the strain in December in a journal from the U.S. Centers for Disease Control and Prevention, believes the strain is a mutation of the original. A second, less-virulent strain had previously been identified.
Marthaler教授的關於這株病毒株報告文獻，被刊登在美國疾病控制和預防中心12月的期刊上，他們深信這株病毒株是原始病毒的突變株，為第二病毒株且沒先前發現的那株如此致命的毒性
The original strain may have mutated in response to increased immunity in herds, Marthaler said. It is also the nature of viruses like PED virus to evolve as they replicate.
隨著豬群免疫反應增強，導致原始病毒株可能跟著突變。Marthaler教授說: PED病毒株也是相同的原理，當他們在進行複製時，也會產生突變。
"The virus is always changing," Marthaler said.
Marthaler教授說: 病毒總是不斷在改變(意指突變)
The impact on hog production from the emergence of the new strain is unclear. It could have existed in the United States without being detected since early 2013 or could be a new mutation, experts said. It is unknown whether the third strain even exists outside of the Minnesota herd in which it was found, Marthaler said.
影響豬生產的新病毒株出現尚未清楚，它可能存在美國一段時間，甚至比2013更早且未被檢測出來，也有可能是新的突變種。專家們這麼說。
Marthaler教授說:我們不知道這第三個病毒株是否存在明尼蘇達州的豬場外，當它被發現時
Hog producers need to take the same precautions to prevent the new strain from spreading as they did for the previous two strains, including washing clothing, trucks and equipment.
豬場的養殖戶需要做到與前兩株發現時的相同預防措施，來防止新型毒株的傳播，包括清洗衣服、卡車和器具設備。

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