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Updated: May 2, 2026

Detection of Polyfunctional T Cells in Children Vaccinated with Japanese Encephalitis Vaccine via the Flow Cytometry Technique
Published on: September 23, 2022
[Vaccination coverage in children and adolescents in Mexico: vaccinated, under vaccinated and non vaccinated]
José Luis Díaz-Ortega1, Elizabeth Ferreira-Guerrero1, Belem Trejo-Valdivia1
1Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
Objective:
To assess vaccination coverage of children and adolescents.
Materials And Methods:
Study based on National Health and Nutrition Survey 2012.
Results:
Coverage in <1 year infants olds infants was <70% for 3 vaccines and <50% for 5. In 15-23 months-olds infants coverage was 59.8% for four vaccines and 51% for six. In 6-year-olds coverage was 93.2% for 1 dose of MMR, and was below 50% for three vaccines in adolescents. Proportion of non-vaccinated individuals was 4.7% in <1-year-olds, 0.2% in 15-23-month-olds, 6.8% in 6-year-olds and 37% in adolescents. Coverage for BCG, HB, and Pneumococcal vaccines in <1-year-olds, and MMR in 15-23-month-olds was >80%. No health insurance and maternal or adolescent illiteracy were explanatory variables for incomplete schema.
Conclusions:
Results suggest it is necessary to strengthen information systems, health promotion, training, and daily vaccination without restrictive schedules, ensuring timely and adequate supply of vaccines.
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