期刊
EPIDEMIOLOGIA E SERVICOS DE SAUDE
卷 32, 期 3, 页码 -出版社
MINISTERIO DA SAUDE
DOI: 10.1590/S2237-96222023000300004.en
关键词
Child Vaccination; Vaccination Coverage; Immunization Schedule; Time Series Studies
The analysis of data from Brazil reveals a downward trend in vaccination coverage and an increase in the dropout rate.
Objective: to analyze the temporal trend of coverage and dropout rate for triple viral vaccine in Brazil, according to the country's Federative Units and Macro-Regions, between 2014 and 2021. Methods: this was an ecological time series study, using data from the National Immunization Program Information System and the Live Birth Information System; joinpoint regression models were used. Results: in Brazil as a whole annual vaccination coverage was below 95% and ranged from 92.3% (2015) to 54.4% (2021); the second dose of the vaccine showed a decreasing temporal trend in the period (average change over the period =-5.8; 95%CI-10.5;-0.8); the temporal trends were stationary and decreasing in the country's Federative Units; the dropout rate ranged from 22.2% (2014) to 37.4% (2021). Conclusion: there was a downward trend in vaccination coverage and an increase in the dropout rate in Brazil as a whole and in the country's Federative Units.
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