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Measles outbreak: Experience at a pediatric hospital in Buenos Aires City

María E Sevilla1, Vivian Bokser1, Laura Miño1

  • 1Division of Health Promotion and Protection; Hospital de Niños Pedro de Elizalde, Autonomous City of Buenos Aires, Argentina.

Archivos Argentinos De Pediatria
|June 2, 2026
PubMed

Insights

An outbreak of measles (a contagious illness) in Argentina involved 8 confirmed pediatric cases. Epidemiological surveillance identified 6 secondary cases, enabling swift containment measures to control the disease spread.

Area of Science:

  • Pediatrics
  • Epidemiology
  • Infectious Diseases

Background:

  • Measles is a highly contagious febrile exanthematous disease.
  • Argentina reported 36 measles cases in 2025.
  • Outbreaks necessitate understanding transmission dynamics and control strategies.

Purpose of the Study:

  • To describe confirmed measles cases in a pediatric hospital during a 2025 outbreak.
  • To detail the control and containment measures implemented.
  • To analyze secondary case identification through contact tracing.

Main Methods:

  • Retrospective, descriptive study design.
  • Analysis of confirmed measles cases at a pediatric hospital.
  • Identification and monitoring of close contacts.

Main Results:

  • Eight measles cases confirmed in children aged 9 months to 10 years.
  • Four cases linked to waiting room exposure; four required hospitalization.
  • 933 contacts identified, leading to 6 secondary cases; no deaths.

Conclusions:

  • The outbreak comprised 8 confirmed cases.
  • Epidemiological surveillance was crucial for detecting secondary infections.
  • Timely implementation of control measures limited further spread.
Keywords:
contact tracing.disease outbreakmeasles

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