Prevalence and underreporting of immunization errors in childhood vaccination: results of a household survey.

Autor:	Oliveira SH; Universidade Federal de São João del-Rei, Programa de Pós-Graduação em Enfermagem, Divinópolis, MG, Brazil., Silva BS; Universidade do Estado de Minas Gerais, Departamento de Ciências da Reabilitação e Saúde, Divinópolis, MG, Brazil., Carvalho LMR; Universidade Federal de São João del-Rei, Programa de Pós-Graduação em Enfermagem, Divinópolis, MG, Brazil., Gontijo TL; Universidade Federal de São João del-Rei, Programa de Pós-Graduação em Enfermagem, Divinópolis, MG, Brazil., Pinto IC; Universidade de São Paulo, Escola de Enfermagem de Ribeirão Preto, Programa de Pós-Graduação Enfermagem em Saúde Pública, Ribeirão Preto, SP, Brazil., Guimarães EAA; Universidade Federal de São João del-Rei, Programa de Pós-Graduação em Enfermagem, Divinópolis, MG, Brazil., Oliveira VC; Universidade Federal de São João del-Rei, Programa de Pós-Graduação em Enfermagem, Divinópolis, MG, Brazil.
Jazyk:	English; Portuguese
Zdroj:	Revista da Escola de Enfermagem da U S P [Rev Esc Enferm USP] 2024 Feb 19; Vol. 57, pp. e20230253. Date of Electronic Publication: 2024 Feb 19 (Print Publication: 2024).
DOI:	10.1590/1980-220X-REEUSP-2023-0253en
Abstrakt:	Objective: To investigate underreporting of immunization errors based on vaccination records from children under five years of age. Method: An epidemiological, cross-sectional analytical study, carried out through a household survey with 453 children aged 6 months to 4 years in three municipalities in Minas Gerais in 2021. A descriptive analysis was carried out, and the prevalence of the error was calculated per 100 thousand doses applied between 2016 and 2021. The magnitude was estimated of the association between variables by prevalence and 95% Confidence Intervals (95%CI). To analyze underreporting, State reporting records were used. Results: A prevalence of immunization errors was found to be 41.9/100,000 doses applied (95%CI:32.2 - 51.6). The highest prevalence occurred between 2020 (50.0/100,000 doses applied) and 2021 (78.6/100,000 doses applied). The most frequent error was an inadequate interval between vaccines (47.2%) associated with adsorbed diphtheria, tetanus and pertussis (DTP) vaccine (13.7/100,000) administration. Vaccination delay was related to immunization errors (7.55 95% CI:2.30 - 24.80), and the errors found were underreported. Conclusion: The high prevalence of underreported errors points to a worrying scenario, highlighting the importance of preventive measures.
Databáze:	MEDLINE
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