Epidemiological characteristics of measles in Baoshan District of Shanghai in 2005â2021
Journal Title: Shanghai Journal of Preventive Medicine - Year 2023, Vol 35, Issue 4
Abstract
ObjectiveTo determine the epidemiological characteristics and distributions of measles in Baoshan Districtï¼ Shanghai.MethodsThis study used the measles surveillance information and reporting system to collect reported cases of measles in Baoshan District in 2005â2021 and then conducted descriptive epidemiological methods to determine the temporality using the concentration method.ResultsIn 2005â2021ï¼ a total of 525 measles cases were reported in Baoshan District with an average annual reported incidence rate of 1.75/105ï¼ showing an overall fluctuating downward trend and obvious seasonality. The cases concentrated in 30â39 years of age ï¼31.24%ï¼ï¼ 20â29 years ï¼28.57%ï¼ï¼ and under 5 years ï¼16.57%ï¼. Majority of them were workers ï¼18.10%ï¼ï¼ preschool children ï¼16.19%ï¼ï¼ and unemployed persons ï¼12.76%ï¼. The incidence was significantly higher in the central region than in the other two regions for workersï¼ preschool childrenï¼ and unemployed persons ï¼Ï2=54.515ï¼ P<0.001ï¼. Spatiallyï¼ the incidence was significantly higher in the north-central sub-districts than in the south ï¼Ï2=88.103ï¼ P<0.001ï¼. Moreoverï¼ 33.14% of measles cases did not receive measles-containing vaccine ï¼MCVï¼ï¼ while 53.90% of the cases remained unknown. Additionallyï¼ uptake rate of MCV in non-local residents was significantly lower than in local residents ï¼Ï2=14.422ï¼ P<0.001ï¼.ConclusionThe measles incidence remains remarkably low in Baoshan District of Shanghai. Young and middle-aged populations in the north-central region are susceptible to measles. It is recommended to further strengthen measles surveillanceï¼ maintain high coverage of MCV among school-age children combined with catch-up immunization for at-risk populationsï¼ and improve health education.
Authors and Affiliations
YIN Chunli,ZHU Qi,ZHANG Maiyue,HUANG Zhuoying,LI Xiaojun,
Keywords
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