natural epidemic focus
美 [ˈnætʃrəl ˌepɪˈdemɪk ˈfoʊkəs]英 [ˈnætʃrəl ˌepɪˈdemɪk ˈfəʊkəs]
- 网络自然疫源地
natural epidemic focus-
Objective : To investigate the constituent of flea species , the dominant fleas and their spatial distribution patterns in the natural epidemic focus of wild-rat type of plague in Yunnan province .
目的：调查研究云南省野鼠型自然疫源地蚤类组成、优势蚤种及其空间分布格局。
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Results : 105 literatures were found and it was confirmed that there are tsutsugamushi disease natural epidemic focus in Shandong and Henan by the serological , epidemiological and the molecular biological study .
珲春：新发现的恙虫病自然疫源地结果：共检索105篇文献，从血清学和流行病学或分子生物学证实山东、河南两省存在恙虫病自然疫源地。