Epidemiological characteristics of pertussis in Shaanxi Province, 2012-2021

Ruize Wang; Weixuan LI; Yuanyuan Dong; Chao Zhang; Tiantian Zhou; Weijun HU

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Epidemiological characteristics of pertussis in Shaanxi Province, 2012-2021

VernacularTitle:2012—2021年陕西省百日咳流行病学特征
Author: Ruize WANG ¹ ; Weixuan LI ¹ ; Yuanyuan DONG ¹ ; Chao ZHANG ¹ ; Tiantian ZHOU ¹ ; Weijun HU ¹
Author Information

1. Immunization Program Institute of Shaanxi Provincial Center for Disease Control and Prevention, Xi’an 710054, China
Publication Type:Journal Article
Keywords: pertussis; epidemiological characteristic; Shaanxi Province; incidence; distribution characteristic
From: Journal of Xi'an Jiaotong University(Medical Sciences) 2023;44(6):964-968
CountryChina
Language:Chinese
Abstract: 【Objective】 To analyze the epidemiological characteristics of pertussis in Shaanxi Province from 2012 to 2021. 【Methods】 We collected the information of pertussis cases in Shaanxi Province from 2012 to 2021 by the China Disease Control and Prevention Information System for analyzing the incidence and distribution characteristics. 【Results】 From 2012 to 2021, a total of 8270 cases of pertussis were reported in Shaanxi Province, with the incidence ranging from 0.21 to 6.20 per 100 000 persons, and for an annual average incidence of 2.17 per 100 000 persons. 44.81% (3 706/8 270) occurred from June to September. The annual average incidence in southern Shaanxi, Guanzhong, and northern Shaanxi was 1.78, 2.47, and 1.46 per 100 000 persons (χ²=289.638, P<0.001). The number of patients (proportions) with pertussis aged 0-1, 1-5, 5-10, and ≥10 years was 3 884 (46.96%), 2 869 (34.69%), 1 408 (17.03%), and 109 (1.32%), respectively. The number of patients (proportion) ≤ 2 months old, 3-5 months old, and ≥ 6 months old was 884 (22.76%),1 608 (41.40%), and 1 392 (35.84%) among pertussis patients under 1 year old. 【Conclusion】 The incidence of pertussis in Shaanxi Province basically showed an increasing trend with higher rates between June and September, higher rates in Guanzhong region of the province, and more patients over 5 years old.