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[Acute respiratory infections in children attending a child day care center]

Eugenia Nandí-Lozano1, Luz Elena Espinosa, Lucía Viñas-Flores

  • 1Departamento de Enseñanza, Hospital del Niño Morelense, Cuernavaca, Morelos, México.

Insights

Daycare children in Mexico experienced a high incidence of acute respiratory infections (10.3 per year) and high colonization rates of key bacteria like Streptococcus pneumoniae (20.4%). This study highlights significant infectious disease burdens in this setting.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Epidemiology

Context:

  • Daycare centers are environments where young children experience frequent close contact, increasing the risk of infectious disease transmission.
  • Understanding the epidemiology of acute respiratory infections (ARIs) and bacterial colonization in this setting is crucial for public health interventions.

Purpose:

  • To assess the incidence of acute respiratory infections (ARIs) and the prevalence of nasopharyngeal bacterial colonization in children under four years old attending a daycare center in Mexico City.

Summary:

  • A cohort study followed 85 children for 9,090 child-days, documenting 258 ARI events (incidence rate: 10.3/person-year).
  • Prevalence of nasopharyngeal colonization was high for Streptococcus pneumoniae (20.4%), nontypable Haemophilus influenzae (13%), and Moraxella catarrhalis (8%).
  • Common ARIs included pharyngitis (95%), acute otitis media (3.5%), and bronchiolitis (1%).

Impact:

  • The study reveals a significantly higher incidence rate of ARIs and a high prevalence of colonization by potentially invasive bacteria compared to community surveys.
  • Findings underscore the substantial burden of infectious diseases in Mexican daycare settings, contributing to a poorly documented aspect of pediatric health in the region.
Abstract

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