Epidemiological of class B natural foci and insect-bone infections diseases in Chuxiong, Yunnan, 2006-2018

Abstract

Objective To analyze and assess epidemiological characteristics of class B natural foci and insect-bone infections diseases in Chuxiong from 2006 to 2018, and improve prevention and control measures.

Methods Date on class B natural foci and insect-bone infections diseases in Chuxiong from 2006 to 2018 registered in the disease Prevention and Control Information System of China were statistically analyzed.

Results A total of 949 cases of eight class B natural foci and insect-bone infections diseases were reported, and 35 deaths in in Chuxiong from 2006 to 2018. The average annual incidence was 2.68/100 000, and the average annual mortality was 0.98/100 000; the top two diseases were epidemic encephalitis B and malaria, and the incidence showed a downward trend from 2006 to 2013 ( P<0.05); the top two diseases were epidemic hemorrhagic fever and Brucellosis, and the incidence showed a rising trend from 2014 to 2018 ( P<0.05). Chuxiong City reported the largest number of cases, 288 cases, followed by Lufeng County and Mouding County, 136 cases and 105 cases, respectively. 44.68% of the cases were reported in summer and autumn. Males were more than females. Ages ranged from 30 to less than 60 years, and 61.75% were farmers and traders.

Conclusion The incidence trend of class B natural foci and insect-bone infections diseases were falling first and then rising in Chuxiong from 2006 to 2018, and the situation is grim. The effects of epidemic encephalitis B and malaria control should be consolidated, and strengthen the prevention and control of epidemic hemorrhagic fever and brucellosis, to control the spread and rise of the epidemic.

Abstract

摘要： 目的 分析云南省楚雄州2006—2018年乙类自然疫源性及虫媒传染病流行特征, 完善防控措施。 方法 收 集《中国疾病预防控制信息系统》中报告的楚雄州2006—2018年乙类自然疫源性及虫媒传染病资料进行描述性分析。 结果 楚雄州2006—2018年共报告乙类自然疫源性及虫媒传染病8种949例, 死亡35例, 年均报告发病率2.68/10万, 年均死亡率0.98/10万。2006—2013年发病率呈下降趋势 ( P<0.05), 发病数居前2位的病种是乙脑和疟疾, 2014—2018 年发病率呈上升趋势 ( P<0.05), 发病数居前2位的病种是出血热和布病。以楚雄市报告病例数最多, 为288例, 其次为 禄丰县和牟定县, 分别为136例和105例。44.68%病例在夏秋季报告, 报告病例中男性多于女性, 年龄以30~<60岁为 主, 且61.75%为农民。 结论楚雄州2006—2018年乙类自然疫源性及虫媒传染病疫情呈现先下降后上升的趋势, 疫 情形势严峻, 应在巩固乙脑和疟疾防控效果的同时, 加强出血热和布病的防控, 有效控制疫情的蔓延。