2018年至2020年无锡市梁溪区甲型H1N1流行性感冒流行病学分析及防控措施研究  

Epidemiological analysis and control measures of influenza A H1N1 influenza in Liangxi District,Wuxi City from 2018 to 2020

作　　者：谢巍 XieWei(Wuxi Liangxi District Disease Control Center,Jiangsu,Wuxi,214000,China)

机构地区：[1]无锡市梁溪区疾控中心,江苏无锡214000

出　　处：《当代医学》2020年第29期57-60,共4页Contemporary Medicine

摘　　要：目的调查2018年至2020年无锡市梁溪区甲型H1N1流行性感冒的流行病学特征,并探讨相关防控措施。方法选取2018年至2020年无锡市梁溪区疾控中心纳入的328例甲型H1N1流行性感冒患者为研究对象,基于无锡市梁溪区疾控中心提供的患者资料调查其流行病学特征。采集研究对象咽拭子标本进行流感病毒检测,分析该病毒的流行病学特征;留取患者血液标本进行实验室检查;探讨不同的流行阶段采用不同的防控措施的可行性。结果患者发病的高峰时间为11~12月,发病例数为181例,占总例数的55.2%;主要确诊时间为11月~次年2月,确诊例数为246例,占总例数的75.0%。328例患者中,女性172例,占52.44%,但无锡不同性别的甲型H1N1流行性感冒患者发病情况比较差异无统计学意义。年龄为10~19岁者134例,占40.85%;学生204例,占62.20%;无锡甲型H1N1流行性感冒患者年龄、职业比较,差异有统学意义(P<0.05)。对于甲型H1N1流行性感冒患者和病毒阴性病例,发热和咳嗽均是其最常见的临床症状,比较差异无统计学意义。甲流感患者的白细胞计数、中性粒细胞计数均低于流感病毒阴性组,差异均有统计学意义(P<0.05)。结论无锡梁溪区感染甲型H1N1流行性感冒的高发期为每年的冬春季节,发病人群以学生为主,通过不同阶段采取不同的防控措施可有效降低流感的感染率。Objective To investigate the epidemiological characteristics of influenza A H1N1 influenza monitored in Liangxi District,Wuxi City from 2018 to 2020,and to explore the relevant prevention and control measures.Methods 328 patients with influenza A H1N1 influenza included in Liangxi District,Wuxi City CDC from 2018 to 2020 were selected as the research subjects,and the epidemiological characteristics were investigated based on the patient data provided by Liangxi District,Wuxi City.The subjects'pharyngeal swabs were collected for influenza virus detection to analyze the epidemiological characteristics of the virus,and blood samples of patients were collected for laboratory examination.To discuss the feasibility of adopting different prevention and control measures at different epidemic stages.Results The peak time of patients'onset was from November to December,and the number of cases was 181,accounting for 55.2%;the main diagnosis time was from November to February of the following year,and the number of confirmed cases was 246,accounting for 75.0%.Among the 328 patients,172 were female,accounting for 52.44%,but there was no statistically significant difference in the incidence of influenza A H1N1 influenza patients of different genders in Wuxi.There were 134 patients aged 10 to 19 years old,accounting for 40.85%,and 204 students,accounting for 62.20%.The age and occupation of influenza A H1N1 influenza patients in Wuxi were compared,and the difference was statistically significant(P<0.05).For patients with influenza A H1N1 influenza and virus-negative cases,fever and cough were the most common clinical symptoms,and the difference was not statistically significant.The white blood cell count and neutrophil count in patients with influenza A H1N1 influenza were lower than those in the negative group(P<0.05).Conclusion The peak time of influenza A H1N1 influenza onset in Liangxi District,Wuxi City is the winter and spring seasons every year.The main population is students,and different prevention and control measures

关 键 词：甲型H1N1流行性感冒 流行病学 防控措施 

分 类 号：R511.7[医药卫生—内科学] R181.3[医药卫生—临床医学]