病毒病

The theoretical basis for PRRS prevention is also provided from the results 2 The clinical signs changes of piglets infected with PRRSV included mild fever, periocular edema, nasal discharge, dyspnea, lethargy.

说明一旦感染PRRSV，该病毒可在感染猪体内持续存在，提示自然感染PRRSV的病例中，感染猪是本病的重要传染源，为该病的预防提供了理论依据：2。

More in winter and spring festival onset, premorbid history of more than a viral infection, upper respiratory tract infections, rubella, measles, chickenpox, mostly; also available on the vaccine after the incubation period between infection and purpura more than 1 to 3 weeks.

多在冬、春季节发病，病前多有病毒感染史，以上呼吸道感染、风疹、麻疹、水痘居多；也可在疫苗接种后，感染与紫癜间的潜伏期多在1~3周内。

Barley yellow dwarf virus is reported to be the most important viral pathogen of cereals worldwide. In fact, BYDV is a group of at least five luteoviruses that cause similar symptoms in cereals but can be distinguished serologically and on the basis of vector specificity.

禾谷类作物的黄矮病是由大麦黄矮病毒(Barley yellow dwarf virus，简称BYDV)的侵染所引起的，在世界各国均有发生，由蚜虫进行循环性的永久传播。

On the basis of these characteristics, the virus isolate was an solate of TMV.

根据这些特性，引起云南保山香料烟花叶病的病原分离物是烟草花叶病毒的一个分离物。

AIM: To compare the therapeutic efficacy difference of Qingkailing and Ribavirin on respiratory syncytial virus pneumonia.

0引言小儿肺炎是危害儿童健康的常见呼吸系统疾病，5岁以下死于本病的占30万，病毒感染约占50%[1]。

Members of the two types of families were compared for both HSV serological characteristics and CPT performance, and familial correlation in HSV infection was examined in tetrachoric correlation for categorical serostatus and in intraclass correlation coefficient for continuous antibody titers.

统计分析方面，分别比较精神分裂症病患家族成员及对照组家族成员之单纯？疹病毒血清学特徵与持续注意力。家族内成员的共同感染情形，藉由合适的相关系数指标予以量化：类别性的感染状态之相关程度以tetrachoric correlation呈现，而连续性的抗体效价则以intraclass correlation coefficient呈现。

Result］It had been proved that the clinical organization sickness material was cathay topotype of FMDV type O.

结果］结果显示，分离鉴定的FMD疑似组织病料为O型Cathay口蹄疫病毒株。

The disease is caused by the trypanosoma parasite.

这种病是由锥虫病毒引起的。

Between May and June 16, 2003, we examined 16 medical workers who were diagnosed with the probable SARS Samples used for the detection of coronas jinx RNA by RT-PCR were collected front throat and rectal swabs during acute phase.

故本研究要探讨的重点，在於第一线工作医护人员照顾严重急性呼吸道徵候群之病患，有可能经呼吸道传染到冠状病毒而引发之胃肠道病状「腹泻」。

After hypodermic inoculation of the Non Occluded Shrimp Virus obtained from diseased prawns , crawfishes suffered and died.

用从对虾病料提取的无包埋体对虾病毒人工接种淡水的克氏原螯虾，螯虾发病死亡。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。