它如此分布广泛，使的研究人员意识到可能有多种原因，包括特定的病毒和其他传染疾病。
That it is so widespread suggests to some researchers that there are many causes, including exposure to certain viruses and other infectious diseases.
最后，气温和降雨规律的变化预计会改变传播传染病的昆虫媒介的地域分布。
Finally, changing temperatures and patterns of rainfall are expected to alter the geographical distribution of insect vectors that spread infectious diseases.
传染病载体空间分布的改变。
Altered spatial distribution of some infectious disease vectors.
方法运用集中度法及圆形分布法对福州市1990—2006年13种常见传染病的季节分布特征进行分析。
Concentration and circular distribution method were used to analyze the seasonal distribution features of 13 common infectious diseases during 1990-2006 in Fuzhou City.
针对控制呼吸道传染病的要求，采用了房间负压控制、合理的气流分布、高效过滤排风等技术，取得了较好的效果。
To control the respiratory infection, some measures are taken such as ward negative pressure control, reasonable air distribution and high efficiency exhaust air filtration, obtaining better effects.
目的应用趋势面模型分析传染性疾病的地理分布趋势。
Objective To explore the application of the trend-surface model on geographical distribution of contagious diseases.
试用集中度指标，对清远市1972-1996年发生的计划免疫相应传染病发病资料进行了季节性分布对比分析。
The seasonal distributions of EPI -target infectious diseases in Qingyuan City during 1972 to 1996 were analyzed by centralized indices.
结果病例在班级间分布差异明显，首发传染性肺结核病人所在班级发病最多，有19例活动性肺结核和19例疑似肺结核。
The most cases happened at the class which has First infectious case and the total cases in this class involved 19 infectious and 19 suspected.
方法运用集中度法及圆形分布法对福州市1990—2006年13种常见传染病的季节分布特征进行分析。
[Methods] Concentration and circular distribution method were used to analyze the seasonal distribution features of 13 common infectious diseases during 1990—2006 in Fuzhou City.
方法根据2007年全国传染病疫情监测信息系统资料，描述当年急性血吸虫病分布特征，并分析其特点。
Methods According to the national infectious disease information monitor system, the epidemiological data of acute schistosomiasis in China were collected, checked and analyzed.
方法根据2007年全国传染病疫情监测信息系统资料，描述当年急性血吸虫病分布特征，并分析其特点。
Methods According to the national infectious disease information monitor system, the epidemiological data of acute schistosomiasis in China were collected, checked and analyzed.
应用推荐