Author:

• Cleia Varão Marinho - Marinho, C.V - <cleiavarao@gmail.com>
ORCID: https://orcid.org/0000-0001-8157-0264

Co-author(s):

• Rejane Christine de Sousa Queiroz - Queiroz, R.C.S - <queiroz.rejane@ufma.br>
ORCID: https://orcid.org/0000-0003-4019-2011
• Waleska Regina Machado Araujo - Araujo, W.R.M - <waleskaregina123@gmail.com>
ORCID: https://orcid.org/0000-0001-5758-7947
• Aline Sampieri Tonello - Tonello, A.S - <aline.tonello@ufma.br>
ORCID: https://orcid.org/0000-0002-8402-9112
• Erika Barbara Abreu Fonseca Thomaz - Thomaz, E.B.A.F - <erika.barbara@ufma.br>
ORCID: https://orcid.org/0000-0003-4156-4067

Abstract:

The objective was to analyze the trend of indicators of the National Immunization Program (acronym in Portuguese, PNI) in children under one year old and to classify municipalities regarding the risk of transmission of vaccine-preventable diseases (RTVPD) in Maranhão,2010 to 2021. Ecological time series study, based on secondary data on Vaccination Coverage (VC), Homogeneity of Vaccination Coverage (HVC), Abandonment Proportion (AP), and RTVPD, with state coverage, for vaccines in the national children\'s calendar. Prais-Winstein regression estimated trends (α=5%) and annual percentage change (APC) of the indicators. There were fluctuating and discrepant VC between vaccines, with a decreasing trend (p

Keywords:

Vaccination Coverage. National Immunization Program. Children\'s Health. Basic Health Indicators.

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