Vaccination coverage, delay and loss to follow-up of the triple viral vaccine, in live births between 2017 and 2018 in Brazilian cities.

IF 2.5 Q1 Multidisciplinary Epidemiologia e Servicos de Saude Pub Date : 2025-01-10 eCollection Date: 2025-01-01 DOI:10.1590/S2237-96222024v33e20231218.especial2.en

Tatiana Lang D'Agostini, Fernanda Florencia Fregnan Zambom, José Cássio de Moraes, Ana Paula França, Jéssica Pires de Camargo, Manoel Carlos Sampaio de Almeida Ribeiro, Rita Barradas Barata, Adriana Ilha da Silva, Alberto Novaes Ramos, Ana Paula França, Andrea de Nazaré Marvão Oliveira, Antonio Fernando Boing, Carla Magda Allan Santos Domingues, Consuelo Silva de Oliveira, Ethel Leonor Noia Maciel, Ione Aquemi Guibu, Isabelle Ribeiro Barbosa Mirabal, Jaqueline Caracas Barbosa, Jaqueline Costa Lima, José Cássio de Moraes, Karin Regina Luhm, Karlla Antonieta Amorim Caetano, Luisa Helena de Oliveira Lima, Maria Bernadete de Cerqueira Antunes, Maria da Gloria Teixeira, Maria Denise de Castro Teixeira, Maria Fernanda de Sousa Oliveira Borges, Rejane Christine de Sousa Queiroz, Ricardo Queiroz Gurgel, Rita Barradas Barata, Roberta Nogueira Calandrini de Azevedo, Sandra Maria do Valle Leone de Oliveira, Sheila Araújo Teles, Silvana Granado Nogueira da Gama, Sotero Serrate Mengue, Taynãna César Simões, Valdir Nascimento, Wildo Navegantes de Araújo

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Abstract

Objective: To estimate measles-mumps-rubella vaccination coverage, delay and loss to follow-up in children up to 24 months old living in Brazilian cities.

Methods: Surveys and questionnaires with a retrospective cohort of live births in 2017-2018, analyzing vaccination coverage and sociodemographic data of children and families, based on vaccination card records and interviews.

Results: Valid coverage of first dose was 90.0% (95%CI 88.9;91.0) and 81.1% for the second dose (95%CI 79.8;82.4). Delay for both doses was 23.2% (95%CI 21.9;24.5) and loss to follow-up was 10.8% (95%CI 9.9;11.8). Socioeconomic stratum A had the lowest vaccination coverage and the higher the child's birth order, the lower the vaccination coverage for the second dose. Children whose mothers had 13 to 15 years of education had higher vaccination coverage.

Conclusion: Coverage did not meet the recommended target. Differentiated strategies to resolve difficulties in access, misinformation, and vaccination hesitancy will help improve vaccination coverage.

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2017年至2018年期间巴西各城市活产三联病毒疫苗的疫苗接种覆盖率、延误和随访损失。

目的：估计生活在巴西城市的24个月以下儿童的麻疹-腮腺炎-风疹疫苗接种覆盖率、延迟和随访损失。方法：基于疫苗接种卡记录和访谈，对2017-2018年出生的活产新生儿进行回顾性调查和问卷调查，分析疫苗接种覆盖率和儿童及家庭的社会人口学数据。结果：第一剂有效覆盖率为90.0% (95%CI为88.9;91.0)，第二剂有效覆盖率为81.1% （95%CI为79.8;82.4）。两种剂量的延迟为23.2% (95%CI 21.9;24.5)，随访损失为10.8% （95%CI 9.9;11.8）。社会经济阶层A的疫苗接种率最低，孩子出生顺序越高，第二剂疫苗接种率越低。母亲受过13至15年教育的儿童的疫苗接种率较高。结论：覆盖率未达到推荐目标。解决获取困难、错误信息和疫苗接种犹豫的差异化战略将有助于提高疫苗接种覆盖率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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