疫区

Both Pseudomonas and Pantoeu universally exist on Bursaphelenchus xylophilus in diseased pines, and there is selectivity for pine wood nematodes to carry bacteria. Bioassay results show that both strains of Pseudomonas and Pantoea are phytotoxin producers.

由此可知，假单胞菌和泛菌分布较广，在所有采样疫区感染松材线虫病的马尾松和黑松病死木中都能分离到，是普遍存在病木组织中松材线虫携带的主要细菌。

Having come from an area where a quarantinable infectious disease is epidemic

来自检疫传染病疫区的

Of which, the Cricetulus barabensis was the dominant specie. The quantity of nocturnal rodents was higher in spring and summer than in autumn and wint...

结论陕西省鼠疫疫区夜行鼠生态学指征有别于邻省，开展连续系统的夜行鼠密度及血清学监测对有效预防鼠疫的发生和流行具有重要意义。

the in case there exists simultaneously the conditions of the quantity of rattus flavipectus and xenopsylla cheopis in the this en-demic region over70%of the total and the density of rattus flavipectus indoors over5%and the rattus flavipectus index of xenopsylla cheopis over,then it will anticipate an epidemic of plague.

家鼠鼠疫疫区黄胸鼠和印鼠客蚤占总数的70%以上，当室内黄胸鼠密度大于5%及黄胸鼠体印鼠客蚤指数大于1等三项指标同时成立是鼠疫流行前期的预兆。

In the light of the spreading situation of plant quarantine objects, local geographical environment, transport conditions and requirements of measures for blockading and eradication, an epidemic area shall be designated and brought under strict control.

疫区应根据植物检疫对象的传播情况、当地的地理环境、交通状况以及采取封锁、消灭措施的需要来划定，其范围应严格控制。

Poultry products from those countries were embargoed by many places.

疫区的禽产品在世界许多国家遭到禁运。

They then establish quarantines to control the movement of people in and out of those areas.

然后建立隔离区来控制疫区人群的来往。

Objective To investigate the infection rate of the rabies virus in the Chinese Ferret-Badger in Lishui City,and to provide the scientific evidence for the prevention and control of rabies.

目的调查浙江省丽水市狂犬病毒在鼬獾中的感染率，为防制该病提供科学依据。方法收集丽水市狂犬病疫区鼬獾脑组织标本，用DFA和RT-PCR方法分别检测狂犬病毒特异性抗原及核酸，确定阳性标本。

To exam Kala - azar patients, sera and healthy persons, sera from epidemic area.

目的用从新疆不同地区分离得到的利什曼原虫前鞭毛体提取抗原，观察ELISA法检测黑热病病人和疫区健康人血清抗体时的敏感性和特异性，为制备ELISA诊断试剂盒和进一步提高这种检测方法的敏感性和特异性，提高黑热病现场流行病学调查结果的准确性和可靠性提供实验依据。

Because the river beaches aregrowing up and new areas with the snail increased markedly, especially marshlands of the River.

在皖江江滩血吸虫病疫区开展了疫情状况和连续4年的流行因素调查。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。