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Salud Pública de México

versión impresa ISSN 0036-3634

Resumen

MENDEZ-HERRERA, Armando et al. Antibody prevalence to mumps in children and adolescents at two years of the introduction of the MMR vaccine. Salud pública Méx [online]. 2018, vol.60, n.1, pp.71-76. ISSN 0036-3634.  http://dx.doi.org/10.21149/8138.

Objective:

To assess the prevalence of mumps antibodies in children and adolescents of Mexico, two years after the introduction of the mumps-containing vaccine MMR.

Materials and methods:

Evaluation of IgG antibodies with a commercial kit of indirect ELISA.

Results:

2111 children (1-9 years) and 2484 adolescents (10-19 years) were studied. The overall antibody seroprevalence was 70.6% (95% CI 69.3-71.9), being higher in adolescents (83.0%, 95%CI 81.5-84.5) than in children (56.0%, 95%CI: 53.9-58.11) (OR 3.83, 95%CI 3.34-4.39, p=0.0000000). Children 1 to 2 and 6 to 9 years who were part of the target group of mumps vaccination since 1998, they had higher seroprevalence than the group of 3 to 5 years unvaccinated.

Conclusions:

Seropositivity in children aged 1 to 2 and 6 to 9 years was probably attributable to vaccination during 1998-2000 and in other age groups to natural exposure related to time elapsed in each birth cohort until the study recruitment.

Palabras llave : mumps; seroprevalence; vaccination; children; adolescents.

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