Analysis on the Surveillance of Adverse Events Following Immunization in Tongwei County of Gansu Province from 2014 to 2023
Niu Yali
Dong Weiping
Abstract：OBJECTIVE To analyze adverse event following immunization(AEFI)in Tongwei County of Gansu from 2014 to 2023 for providing.METHODS AEFI cases in Tongwei County from 2014 to 2023 were collected through the"China Disease Control Information System",vaccination data were collected through the"China Immunization Program Information Management Platform"and analyzed by description epidemiological methods.RESULTS 3 389 AEFI cases were reported in Tongwei County from 2014 to 2023,with a reported incidence of 4.18 ‰,including 3 374 general reactions,accounting for 99.56%of the reported cases.The top three vaccines with AEFI after vaccination were DPT vaccine,DPT vaccine and leprosy vaccine,and the incidence of DPT vaccine was the highest.AEFI occurring within 1 day after vaccination accounted for 95.22%of cases and 98.91%of visits within 1 day after occurrence.CONCLUSION From 2014 to 2023,the reported incidence of AEFI cases was generally stable,the quality of monitoring data was high,the monitoring sensitivity was maintained at a high level,and the adverse reactions were mainly general reactions.
Keywords：suspected adverse events following immunizationimmunizationsurveillance
Publication Date：2025-04-10
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 63-66 )