Epidemic status of Kala azar in the Tibetan Autonomous Prefecture of Gannan in Gansu Province from 2005 to 2014 / 中华地方病学杂志

ABSTRACT

Objective To understand the epidemic status of Kala azar in Gannan of Gansu Province and to provide a scientific basis for making effective control measures.Methods The epidemic monitoring data of Gannan Kala azar from the infectious disease network direct reporting system and the Gannan County Center for Disease Prevention and Control was collected, descriptive epidemiological method was used to analyze the distribution of Kala azar.Results From 2005 to 2014, a total of 285 Kala azar cases were reported, the incidence rate was 4.21/one hundred thousand (285/6 764 645).The incidence rate in 2005 was the lowest (1.97/one hundred thousand, 13/658 961), in 2011 was the highest (6.39/one hundred thousand, 44/689 104).The cases mainly distributed in the Bailongjiang Valley in Zhouqu County (14.97/one hundred thousand, 200/1 336 150) and Diebu County (14.29/one hundred thousand, 76/531 915).Gannan had reported the cases of Kala azar all year round, and the cases were sporadically distributed.The time of the disease mainly occurred from May to August.The incidence rate in male (58.60％, 167/285), children under 5 years old (43.86％, 125/285) and farmers and herdsmen (25.26％,72/285) accounted for the major parts.In addition to Luqu County and Xiahe County, other counties had cases of imported Kala azar.Conclusion Kala azar in Gannan is happened sporadically year round.Long-term mechanism need to be established;investment funding should be ensured;the monitoring of the epidemic should be strengthened;the epidemic situation of Kala azar should be timely reported in order to effectively prevent and control the epidemic of Kala azar in Gansu.