Objective To investigate Leptospira serovars in Fujian province, China, and to provide a scientific basis for the prevention and control of leptospirosis. Methods Five investigation sites were established according to the epidemic situation of this disease. In order to determine the main serovars of Leptospira carried by humans and host animals, Leptospira was cultured with blood, kidney, or urine collected from rats, pigs, and frogs. The level of anti-Leptospira antibody was determined in human and rat sera. Serovars and infection status of Leptospira were analyzed based on these studies. Results The investigation of hosts showed that the population density of rodents was 5.83% in the open air of the main epidemic area. Main species were Rattus tanezumi, R. losea, and Niviventer fulvescens, which accounted for 29.87%, 28.19%, and 17.11%, respectively. Leptospira was first isolated from N. coxingi in Changtai county. The positive rate of serum antibody in rats was 11.04%. Autumnalis, Australis, and Grippotyphosa were three of the dominant serotypes in rats. The detection rate of serum antibody in humans was 8.25%. Autumnalis, Pyrogenes, Hebdomadis, and Australis were dominant serotypes in humans. Conclusion The serovars of Leptospira carried by rats and humans are complex in Fujian, which means leptospirosis surveillance should be well performed.
XU Guo-ying, LIN Dai-hua, PAN Min-nan, LI Shu-yang, WANG Jia-xiong, ZHOU Shu-heng,HE Shi, LIU Jing, HAN Teng-wei, CHEN Yang, DENG Yan-qin
. Surveillance of leptospirosis and analysis of Leptospira serovarsin Fujian province, China, in 2012[J]. Chinese Journal of Vector Biology and Control, 2014
, 25(5)
: 456
-458
.
DOI: 10.11853/j.issn.1003.4692.2014.05.019
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