Brazilian experience with rapid monitoring of vaccination coverage during a national rubella elimination campaign
Abstract
OBJECTIVE: To describe an adapted version of the Pan American Health Organization (PAHO) methodology for rapid monitoring of vaccination coverage and its use as a supervisory tool to guide decision-making and strategies for end-stage vaccination activities ("mopup" operations) following a six-week national rubella elimination campaign in Brazil. METHODS: Vaccination coverage assessments modeled on a variation of PAHO's rapid house-to-house coverage monitoring methodology were conducted by Brazilian municipalities following mass immunization of adults and adolescents from August to December 2008. Results of monitoring assessments conducted in 3 658 (65.7 percent) of 5 564 municipalities were reported to Brazil's National Immunization Program. RESULTS: Information on vaccination against rubella was obtained from more than 1.5 million Brazilians (2.1 percent of the 70.1 million people targeted for immunization) during vaccination coverage monitoring. According to the assessment data, vaccination targets of 95 percent coverage were reached in 2 175 (59.5 percent) of the 3 658 municipalities that reported results. The percentage of municipalities that reached coverage targets was lower than administrative coverage estimates (number of vaccine doses administered divided by the immunization target population). These results informed targeted "mop-up" campaigns to reach unvaccinated populations. CONCLUSIONS: Rapid coverage monitoring implemented at the local level proved useful for deciding when to conclude vaccination activities and where to focus additional efforts to achieve desired coverage.(AU) Describir una versión adaptada de la metodología de la Organización Panamericana de la Salud (OPS) para el monitoreo rápido de la cobertura de vacunación. Exponer su uso como herramienta de supervisión para guiar la toma de decisiones y las estrategias para las actividades de vacunación finales (campañas "de barrido") después de una campaña nacional de eliminación de la rubéola de 6 semanas de duración en el Brasil. MÉTODOS: Los municipios brasileños llevaron a cabo una evaluación de la cobertura de vacunación basada en una variante de la metodología de monitoreo rápido "casa por casa" de la OPS, después de una campaña masiva de vacunación de adultos y adolescentes efectuada entre agosto y diciembre del 2008. Los resultados de las evaluaciones de seguimiento realizadas en 3 658 (65,7 por ciento) de 5 564 municipios se comunicaron al Programa Nacional de Vacunación del Brasil. RESULTADOS: Mediante el monitoreo de la cobertura de vacunación se obtuvo información sobre la vacunación antirrubeólica de más de 1,5 millones de brasileños (2,1 por ciento de los 70,1 millones de destinatarios de la inmunización). Según estos datos, se alcanzó la meta de vacunación (cobertura del 95 por ciento) en 2 175 (59,5 por ciento) de los 3 658 municipios que presentaron resultados. El porcentaje de municipios que alcanzaron la meta de cobertura fue menor que las estimaciones de cobertura administrativa (cantidad de dosis de vacuna administradas dividida por la población destinataria de la inmunización). Estos resultados se usaron para las campañas de vacunación "de barrido" a fin de alcanzar a las poblaciones no vacunadas. CONCLUSIONES: El monitoreo rápido de la cobertura de vacunación en el nivel local resultó útil para decidir cuándo concluir las actividades de vacunación y en qué aspectos se debían concentrar los esfuerzos posteriores para lograr la cobertura deseada.(AU)
Subject
Program Evaluation; Immunization Programs; Immunization Coverage; Rubella vaccine; Measles-Mumps-Rubella Vaccine; Disease Prevention; Brazil; Evaluación de programas y proyectos de salud; Programas de Inmunización; Cobertura Vacunal; Vacuna contra la Rubéola; Vacuna contra el Sarampión, Parotiditis y Rubéola; Prevención de Enfermedades; Brasil; Programas de Imunização; Vacina contra Sarampo-Caxumba-Rubéola; Vigilância da População; Rubéola (Sarampo Alemão); Vacinação; Brasil; Programas de Imunização; Organização Pan-Americana da Saúde; Saúde da População Urbana
URI
http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892011000700002https://iris.paho.org/handle/10665.2/9489
Citation
Teixeira, Antonia Maria da Silva,Samad, Samia Abdul,Souza, Marcos Aurélio de,Segatto, Teresa Cristina,Morice, Ana,Flannery, Brendan (2011) Brazilian experience with rapid monitoring of vaccination coverage during a national rubella elimination campaign. Rev Panam Salud Publica;30(1) 7-14,july 2011. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892011000700002
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