The vaccination coverage of the poliovaccine in brazil: a time-series analysis from 2012 to 2022
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Instituto Federal do Ceará, Universidade Estadual do Ceará, Brazil
Universidade Estadual do Ceará
Universidad de la Coruna Spain
Universidade Estadual do Ceará e Universidad de la Coruna Brazil
Publication date: 2023-04-26
Popul. Med. 2023;5(Supplement):A2060
In relation to the poliovaccine, it was observed a significant down ward trend of the coverage of this vaccinne, with the coverage going from 97,8’ in 2012 to 56,9’ in 2022. The line equation was y=-3,8x+7766, with p=0,01. The adjusted coefficient of determination R2 was 0,49, indicating that the anual variation describes in 49’ the variance of the vaccination coverage.

It was identified a decrease in the vaccination coverage against polio over the last years in Brazil. There is a need for public health actions for expanding its coverage and selection of multisector strategies for the confront of this decrease in the vaccination coverage rates.

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