Abstract:
Objective To compare the incidence of adverse events following immunization （AEFI） between vaccination with 13-valent pneumococcal polysaccharide conjugate vaccine （PCV13） alone and with other vaccines at the same time.
Methods We obtained PCV13 vaccination adverse reaction reports for children vaccinated in Shanghai between 2017‒2021 from the National Immunization Program Information Management System and collected the information and the data of children vaccinated with PCV13 from The Shanghai vaccination information system. We compared the incidence of adverse reactions between stand-alone and simultaneous vaccination.
Results A total of 11 175 PCV13 AEFI cases after stand-alone vaccination and 215 PCV13 AEFI cases after simultaneous vaccination were reported during 2017‒2021 in Shanghai， and the incidence rates were 1 252.34/105 and 1 455.75/105， respectively. ORV was the one mostly vaccinated with PCV13 at the same time， and the AEFI incidence was 1 706.67/105. The most reported symptom was fever after PCV13 vaccination， no matter by stand-alone and simultaneous vaccination with the respective incidence rates of 876.69/105 and 1 442.21/105.
Conclusion In general， PCV13 vaccinated with other vaccines at the same time slightly increases the incidence of AEFI.
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