人芽囊原虫是否具有致病性一直颇有争议，因为很多流行病学研究和实验动物研究得出了矛盾的结论。
The pathogenic potential of Blastocystis hominis is still controversial because many epidemiologic and experimental animal studies gave quite different conclusions.
候鸟是否传播高致病性禽流感病毒？
Do migratory birds spread highly pathogenic avian influenza viruses?
何种病毒诱发高致病性禽流感？
高致病性禽流感正通过鸟类迅速扩散。
Highly pathogenic avian influenza is moving rapidly through bird populations.
高致病性禽流感自2003年中以来一直在增加。
A highly pathogenic form of avian influenza has been on the rise since mid 2003.
但许多美国人现在认为这种病毒致病性不强。
这些国家中，大多数历史上从未暴发过高致病性禽流感。
Most of these countries had never before experienced an outbreak of highly pathogenic avian influenza in their histories.
候鸟传播高致病性禽流感的作用尚不完全清楚。
The role of migratory birds in the spread of highly pathogenic avian influenza is not fully understood.
据知，它们携带H5和H7亚型病毒，但通常是低致病性的。
They are known to carry viruses of the H5 and H7 subtypes, but usually in the low pathogenic form.
据知，只有H5和H7亚型病毒可引起高致病性禽流感。
Only viruses of the H5 and H7 subtypes are known to cause the highly pathogenic form of the disease.
与此形成鲜明对比的是美洲，该病毒对鸟类具有高致病性。
In striking contrast, the virus is highly pathogenic for birds in the Americas.
这些是在这两个国家记录的高致病性H5N1禽流感首次暴发。
These are the first outbreaks of highly pathogenic H5N1 avian influenza recorded in the two countries.
高致病性禽流感病毒可在受感染禽鸟所下蛋的内层和表面发现。
Highly pathogenic avian influenza virus can be found inside and on the surface of eggs laid by infected birds.
其中一位甚至喝了一杯幽门螺旋杆菌来亲自证实它们的致病性。
One of them even chugged a glassful of the bugs to prove the point.
含有致病性寄生虫、微生物的，或者微生物毒素含量超过国家限定标准的；
foods that contain pathogenic parasites, microorganisms or an amount of microbial toxin exceeding the tolerance prescribed by the State;
不过，她补充道，如果超小细菌存在着危害，或者致病性，也很难检测出来。
But she added that if harmful, or pathogenic, super-small bugs existed they would be hard to detect.
在这两个国家，都报告了高致病性H5N1禽流感引起的野鸟死亡。
Deaths of wild birds from highly pathogenic H5N1 were reported in both countries.
按照在禽类群体中的致病力，可将禽流感病毒分为两类：高致病性或低致病性。
AI viruses are divided into two groups based on their ability to cause disease in poultry: high pathogenicity or low pathogenicity.
此外，低致病性H9N 2毒株(亚洲系)也引发了人间少数轻微呼吸道疾病病例。
In addition, the low-pathogenic H9N2 strain (Asian lineage) has caused a few human cases of mild respiratory illness.
印度尼西亚卫生部已于今天确认又1例高致病性H5N1禽流感人类病例。
The Ministry of Health in Indonesia has today confirmed a further human case of highly pathogenic H5N1 avian influenza.
尼日利亚北部家禽中高致病性H5N1禽流感的确认标志着该病毒的进一步地域传播。
The confirmation of highly pathogenic H5N1 avian influenza in domestic birds in northern Nigeria marks the further geographical spread of this virus.
粮农组织还认为应当再次呼吁各国加强国内和跨界高致病性禽流感防控措施。
Countries are once more called upon to strengthen in-country as well as cross-border HPAI control measures, FAO added.
候鸟可以低致病性方式远距离携带这些病毒，但通常不显示疾病体征并且很少死于该病。
Migratory birds can carry these viruses, in their low pathogenic form, over long distances, but do not usually develop signs of illness and only rarely die of the disease.
高致病性禽流感是能够产生本文所描述的所有影响的最好的一种动物疾病实例。
The highly pathogenic avian influenza is the perfect example of an animal disease with the capacity to generate all the impacts described in this paper.
在家禽中，感染禽流感病毒导致两种主要疾病形式，区别为低致病性和高致病性。
In domestic poultry, infection with avian influenza viruses causes two main forms of disease, distinguished by low and high extremes of virulence.
与会者拒绝接受任何试图通过捕杀野鸟的办法来遏制高致病性禽流感传播的建议。
The participants rejected any suggestion of trying to stop the spread of HPAI by killing wild birds.
根据粮农组织，高致病性H5N1禽流感目前在印度尼西亚许多地区的家禽中流行。
According to FAO, highly pathogenic H5N1 avian influenza is now endemic in poultry in many parts of Indonesia.
锥虫属其它种和亚种的寄生虫对动物具有致病性并可在野生和家养动物种类中引起动物锥虫病。
Other parasite species and sub-species of the Trypanosoma genus are pathogenic to animals and cause animal trypanosomiasis in wild and domestic animal species.
首先，乔布斯患有神经内分泌肿瘤，也被称为胰岛细胞瘤，不是95%高致病性的胰腺癌。
First, Jobs's neuroendocrine tumor, also called an islet cell tumor, put him outside the 95 percent of pancreatic cancer victims who have highly fatal adenocarcinoma.
另外，通过提供国家和国际支持，应使区域高致病性禽流感网络更加强大并富有可持续性。
In addition, regional HPAI networks need to be made stronger and sustainable with national and international support.
应用推荐