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本文采用现场调查、实验观察与实验室人工感染传代分离相结合的方法,研究了滇西北间日疟原虫生物学特性。结果是:内潜伏期有长有短,长短相兼同属一株;复发率低,有近期复发和远期复发之分;临床初发和复发均为典型的隔日发作;对伯氨喹啉和氯喹都很敏感;对当地的常见按蚊——黑色按蚊和八代按蚊敏感,对驯化的中华按蚊人工感染敏感度可以高达100％;春未复初无疟史发病普遍存在;疟疾发病率的高峰月,出现在当年新感染季节前或媒介按蚊高峰前。由于分离传代的感染源来自滇西北的的维西县,因此,命名为间日疟原虫维西株(WEI XI of Plasmodium Vivax)。
In this paper, a combination of field investigation, laboratory observation and artificial infection in laboratory were combined to study the biological characteristics of Plasmodium vivax in Northwest Yunnan. The results are: the incubation period has a long and short, the same length and the same strain; low recurrence rate, recent recurrence and long-term recurrence of points; clinical onset and recurrence are typical of every other episode; primaquine and chloroquine Are sensitive to local Anopheles - Anopheles stephensi and Anopheles anophelesensis, and may be as high as 100% susceptible to the domesticated Anopheles sinensis artificial infection; the incidence of malaria is uncommon at the beginning of the spring; the incidence of malaria Of the peak months before the new infection season or before the media Anopheles peak. Because the source of infection for segregation was from Weixi County in northwestern Yunnan, it was named WEI XI of Plasmodium Vivax.