Seroprevalencia de anticuerpos contra dengue en niños de uno a nueve años luego de una epidemia, Aguilares, Tucumán, 2009

INTRODUCCION: El brote de dengue de 2009 constituyo el primero con casos autoctonos en Tucuman. Los departamentos de Rio Chico y Capital fueron los mas afectados. Hubo baja notificacion de ninos de uno a nueve anos (2,6/1.000). Este hallazgo impulso a conocer el real impacto del brote en la poblacion infantil. OBJETIVO: Estimar la incidencia de dengue en ninos de uno a nueve anos. METODOS: Se realizo un estudio transversal de sero prevalencia(IgG) en julio de 2009 en Aguilares (Departamento de Rio Chico),con una muestra probabilistica de ninos de uno a nueve anos que habian residido alli en los ultimos seis meses. Los criterios de exclusion fueron: hogar inhabitado, rechazo a participar o nino con enfermedad aguda. Se utilizo una prueba de neutralizacion por reduccionde placas. RESULTADOS: Se obtuvieron muestras de 118 ninos. Hubo 18 rechazos a participar. El 24... INTRODUCTION: The 2009 dengue outbreak became the first with autochthonous cases in Tucuman. The departments of Rio Chico and Capital were the most affecte dones. There was low incidence in one- to nine-year-old children(2.6/1000). This finding led to a study to know the real impact of the outbreak on children. OBJECTIVE: To estimate dengue incidence in one- to nine-year-old children. METHODS: Across-sectional seroprevalence (IgG) study was carried out in July 2009 in Aguilares (Department of Rio Chico), with aprobability sample composed by one- to nine-year-old children who had lived there in the last six months. Exclusion criteria were: uninhabited home, refusal to participate or seriously illchild. The laboratory study consisted of a plaque reduction neutralization test. RESULTS: A total of 118 samples were obtained. There were 18 refusals to participate. 24...