传染病

The inverted terminal repeat gene fragments of goat poxvirus QL、LD、Y、B-strain were multiplied by PCR and cloned into the pMD18-T vector.

山羊痘是由羊痘病毒属山羊痘病毒(Goat poxvirus，GPV)引起山羊及绵羊的一种急性、热性、高度接触性传染病[1]。

The difference between china poultry industry and international standard is becoming smaller and smaller in breeder,disease control,nutrition and technique after rapid development in china ,but the difference is still big on poultry house environmental control,The effection of house environment improvement on chick health and performance is overlooked . Poultry house environmental control is becoming more and more important in poultry industry.

随着近年来养鸡业的迅猛发展，目前我国在品种、营养、疾病控制和饲养技术方面与国际先进水平的差距逐渐缩小，但在环境控制方面还存在着很大的差距，环境控制对家禽生产的影响一直没有得到应有的重视，在国内目前基本解决了家禽良种引进、烈性传染病控制、营养和饲养技术等问题的前提下，鸡舍环境控制在家禽生产中起着非常重要的作用。

These formulations are prepared by some macromolecule materials such as PLGA,PLA,PLG and PELA,which include microsphere,microcapsule,microemulsion,nanocapsule and nanosphere,used as carrier of delivery antigen and adjuvant.

随着对传染病发病以及免疫机理的近一步了解，促使许多新方法进行疫苗的研究，这些方法主要包括通过DNA重组和化学合成的方法研究亚抗原以及

Canine parvovirus is a contagious disease, usually associated with dogs eat nothing, but it is in contact with the environment.

犬细小病毒是一种传染病，所以通常与狗吃的东西无关，但是与它接触的环境有关。

Mosquito; marked by paroxysms of chills and fever.

由蚊子传播的寄生虫感染而导致的一种传染病。

Parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever.

由蚊子传播的寄生虫感染而导致的一种传染病。

An acute, inflammatory, contagious disease caused by a paramyxovirus and characterized by swelling of the salivary glands, especially the parotids, and sometimes of the pancreas, ovaries, or testes.

流行性腮腺炎由一种副粘液病毒引起的一种急性的、发炎的接触性传染病，病状为唾腺的肿大，有时也发生胰、卵巢或者睾丸的肿大。

Type A is responsible for lethal pandemics and is found in both animals and humans.

一类是负责传染病致死，并发现，在动物和人类。

Another essential task of the WHO is to act as the early-warning system for pandemics.

WHO另外一个必要的工作是：做好传染病的警报机制。

Previous pandemics have been characterized by waves of activity spread over months.

先前的传染病特点是活动蔓延的周期持续数月。

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。