Author:
Hincapié Doracelly,Acevedo Marcela,Hoyos María Cristina,Ochoa Jesús,González Catalina,Pérez Paula Andrea,Molina Adriana,Restrepo Blanca Isabel,Arrubla Marcela,Echeverri Adriana Patricia,Almanza Rita Elena,González Luz Denise,Santacruz-Sanmartín Eduardo,Orrego Norma Elena,Arango Daniel,Gutiérrez Aura María,Londoño Olga Lucía,Toro Luz Maribel,Ríos Mónica,Villada Oscar,Mejía Luz Aida,Arenas Paola Andrea,García Diego,Osorio Elkin
Abstract
Introduction: Serological surveillance (serosurveillance) provides the most direct measure of herd immunity of vaccine-preventable diseases. Little is known about the opportunities and challenges of serosurveillance experiences, particularly pertussis.Objective: To describe the process of serosurveillance for vaccine-preventable diseases with an emphasis on the experience of pertussis in the metropolitan area of Antioquia (Valle de Aburrá) in 2015 and 2016 and analyze the contributions and challenges for its sustainability.Materials and methods: We described the planning and conduction of serosurveillance of pertussis antibodies of mothers and in the umbilical cord at the time of delivery in eight hospitals based on random sampling and their capacity to advance the serosurveillance periodically. We compared the contributions and the challenges of this experience with other probabilistic and non-probabilistic programs.Results: We achieved the participation of hospitals and mothers respecting the delivery care process. We established a serum bank following ethical and technical guidelines. This program based on the random selection of hospitals and mothers has enabled the estimation of antibodies prevalence in mothers and in the umbilical cord, which has been possible given the high coverage of hospital care during childbirth at a lower cost and fewer risks than a population-based survey in conflictive areas. The main challenges for the sustainability of this program are the creation of stable jobs and access to funding and legal and methodological long-term frameworks.Conclusions: Hospital serosurveillance as described is an option to monitor the impact of vaccination on the population. Our experience could be reproduced in other regions under similar conditions if the above-mentioned challenges are solved.
Publisher
Instituto Nacional de Salud (Colombia)
Subject
General Biochemistry, Genetics and Molecular Biology
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