Parida S K, Gunasekaran K, Sadanandane C, Patra K P, Sahu S S, Jambulingam P
Vector Control Research Centre, Medical Complex, Indira Nagar Pondicherry, India.
Indian J Malariol. 1991 Dec;28(4):207-13.
The role of different anophelines in malaria transmission in two geoclimatic zones, viz., Jeypore and Malkangiri plateau of Koraput distt., which are endemic for malaria, was studied. Out of 10,110 specimens belonging to 9 species collected and dissected over a period of 12 months by different methods in nine study villages, natural infection (sporozoites and oocysts) was detected in An. fluviatilis in both the zones. The sporozoite and oocyst rates were 0.28% and 1.41% in Jeypore zone and 5.09% and 0.85% in Malkangiri zone, respectively. Sporozoites were also found in a single specimen of An. culicifacies in Malkangiri area. An. annularis was incriminated in an earlier study. The vectorial capacities of An. fluviatilis, An. culicifacies and An. annularis were estimated for the three plasmodial species, viz., P. falciparum, P. vivax and P. malariae in different seasons. The definitive role played by each species in transmission is discussed.
研究了不同按蚊在两个地理气候区(即科拉普特县的杰波尔和马尔康吉里高原,这两个地区疟疾流行)疟疾传播中的作用。在九个研究村庄,通过不同方法在12个月内收集并解剖了属于9个种类的10110个标本,在两个地区的溪流按蚊中均检测到自然感染(子孢子和卵囊)。在杰波尔地区,子孢子率和卵囊率分别为0.28%和1.41%;在马尔康吉里地区,子孢子率和卵囊率分别为5.09%和0.85%。在马尔康吉里地区的一个库氏按蚊标本中也发现了子孢子。在早期研究中已确定环纹按蚊为媒介。估计了溪流按蚊、库氏按蚊和环纹按蚊在不同季节对三种疟原虫(即恶性疟原虫、间日疟原虫和三日疟原虫)的媒介能量。讨论了每个种类在传播中所起的决定性作用。