源地

NPCR has high sensitivity and specificity. Hence.The PCR assay is a useful tool to investigate the natural epidemic foci of scrub typhus.

套式PCR具有很高的敏感性和特异性，是疫源地及现场流行病学调查的有效手段。

The results suggested that there exsit natural foci of spotted fever in Qiongzhong area of Hainan province.

该地区的优势鼠种为黄毛鼠、屋顶鼠、针毛鼠，带蜱率分别为15.91％（7／44）、30％（15／50）、36.36％（8／22）。结论：海南省琼中县存在斑点热自然疫源地。

And show according to cleaning out the survey on treasure reticle, bead three-cornered treatment is made had become individual of electronic business affairs to consume the ground of main supply of goods on platform.

而据淘宝网线上调研显示，珠三角的加工制造已经成为电子商务个人消费平台上主要的货源地。

ABSTRACT Since 1990s, an average of about 540 thousand person-times per year of transient population have come to river valley region, a torrid zone with sea level below 800 m, of Yuanjiang basin for development.

元江流域九十年代以来平均每年大约有54万人次流动人口到海拔800米以下的河谷地区进行热区开发，流动人口的年带虫发病率、血片阳性率、原虫率分别是当地居民的50倍、2.6倍、2.26倍，该地区已成为向两岸山区及省内外输出疟疾的疫源地。

Since 1990s, an average of about 540 thousand person-times per year of transient population have come to river valley region, a torrid zone with sea level below 800 m, of Yuanjiang basin for development. The annual parasite incidence, slide positivity rate and parasite rate of transient population were 50 times, 2.6 times and 2.26 times as that of local residents respectively.

元江流域九十年代以来平均每年大约有54万人次流动人口到海拔800米以下的河谷地区进行热区开发，流动人口的年带虫发病率、血片阳性率、原虫率分别是当地居民的50倍、2.6倍、2.26倍，该地区已成为向两岸山区及省内外输出疟疾的疫源地。

Since 1990s, an average of about 540 thousand person times per year of transient population have come to river valley region, a torrid zone with sea level below 800 m, of Yuanjiang basin for development The annual parasite incidence, slide positivity rate and parasite rate of transient population were 50 times, 2 6 times and 2 26 times as that of local residents respectively Therefore, the river valley region has become a focus in transmitting malaria to both side of mountainous areas a...

元江流域九十年代以来平均每年大约有 54万人次流动人口到海拔 80 0米以下的河谷地区进行热区开发，流动人口的年带虫发病率、血片阳性率、原虫率分别是当地居民的 50倍、2 。6倍、2 。2 6倍，该地区已成为向两岸山区及省内外输出疟疾的疫源地。

Objective In order to identify the types of natural foci of tsutsugamushi disease to provide basis for prevention, a series of studies were carried out in Fujian,Zhejiang and Jiangsu Provinces.

于明明 ，郭恒彬，吴光华目的为查明恙虫病的自然疫源地类型给预防工作提供依据，在福建、浙江、江苏三省进行了系列调查。

Objective To study the germicidal effect of disinfectant on vibrion cholerae of El Tor biotype in different water bodies and to set a guidelines for disinfection in the epidemic foci of cholera.

目的 研究消毒剂对不同水体中ElTor霍乱弧菌的杀灭作用，为霍乱疫源地的消毒提供指导。

Waterlog could enlarge the intensity of infection in epidemic areas.

洪涝灾害可使疫源地传染强度增大。

Antiplague Institute of Hebei Province, Zhangjiakou 075000, China

目的 调查河北省鼠疫自然疫源地人群F1抗体的三间分布情况和维持机制。

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。