Epidemiological characteristics of varicella in Songjiang Districtï¼ Shanghai from 2013 to 2021
Journal Title: Shanghai Journal of Preventive Medicine - Year 2023, Vol 35, Issue 7
Abstract
ObjectiveTo evaluate the effectiveness of the varicella vaccine immunization strategy in Shanghaiï¼ and to provide evidence for enhancing prevention and control measures by analyzing the incidence and trends of varicella in Songjiang Districtï¼ Shanghai from 2013 to 2021.MethodsA descriptive analysis was conducted on 12 417 varicella cases reported in Songjiang District between 2013 and 2021. The epidemiological distribution of varicella cases was describedï¼ and the incidence rates were compared among different demographic variablesï¼ including registered residenceï¼ genderï¼ ageï¼ and occupation.ResultsA total of 12 417 varicella cases were reported in Songjiang District from 2013 to 2021ï¼with an average annual incidence of 77.03/105. The incidence of varicella showed an increasing trend from 2013 to 2017 ï¼Ï2trend=19.39ï¼ P<0.001ï¼ï¼ followed by a subsequent decrease from 2017 to 2021ï¼Ï2trend=758.62ï¼ P<0.001ï¼. Varicella cases demonstrated significant seasonal variationï¼ with peak incidences occurring in April to May and November to January of the following year. The incidence rate among local residents was higher than that among non-local residents ï¼Ï2=2 935.58ï¼ P<0.001ï¼. Most ï¼38.59%ï¼ of the cases were students aged between 5 and 9 years oldï¼ accounting for 23.45% of the total cases. Howeverï¼ the age distribution of cases varied over the years ï¼Ï2=615.57ï¼ P<0.001ï¼ï¼ and the incidence among children aged 5 to 9 years showed a declining trend since 2017.ConclusionThe overall incidence of varicella in Songjiang District exhibites a declining trend in recent years. Although varicella primarily affects childrenï¼ there have notable changes in the age distribution. Adjustment of the immunization strategy for varicella vaccines in Shanghai effectively reduces the proportion of school-age subjects.
Authors and Affiliations
ZHU Qi,QIAN Jingxian,SHEN Jinhua,CHEN Wenhua,SHEN Jingwen,LU Hongmei,
Keywords
Related Articles
- EP ID EP742167
- DOI -
- Views 20
- Downloads 0
Effect of paliperidone palmitate treatment on disease family burden and rehabilitation effect in community schizophrenic patients
ObjectiveTo explore the effect of paliperidone palmitate treatment on schizophrenic patients in the community.Methods446 schizophrenic patients who used paliperidone palmitate injection were selected in Shanghai. Before...
Clinical follow-up study of SARS-CoV-2 Omicron infection
Objective To observe the clinical course and explore the risk factors for SARS-CoV-2 RNA negative conversion duration （NCD） in asymptomatic and mild-symptomatic patients infected with the SARS-CoV-2 Omicron variant.Met...
Trend of antibiotics usage among outpatients in primary public medical institutions in a county of Zhejiang Province， from 2015 to 2020
Objective To understand the usage of antibiotics in outpatients in a county of Zhejiang Province from 2015 to 2020， so as to provide a basis for further standardizing the clinical application of antibiotics in this regi...
Field epidemiological investigation of a varicella outbreak in a school of Nanxun Districtï¼ Huzhou
ObjectiveTo determine the epidemiological characteristics and transmission factors of a varicella outbreak in a school in Nanxun District of Huzhou Cityï¼ and assess the effect of prevention and control measuresï¼ whic...
Health related life quality and its influencing factors in elderly community residents in Shanghai
ObjectiveTo understand the health-related life quality and its influencing factors in elderly community residents in Shanghaiï¼ and to provide reference for improving their life quality.MethodsDuring April to June 2021ï...