Respiratory syncytial virus-related bronchiolitis in Puerto Rico

María Molinari Such1, Inés García, Lourdes García

  • 1Department of Pediatrics, Neonatology Section, Medical Sciences Campus, University of Puerto Rico, the San Jorge Childrens Hospital, San Juan, PR.

Insights

Respiratory syncytial virus (RSV) infections occur year-round in Puerto Rico, with a notable decrease possibly linked to immunoprophylaxis. A robust surveillance system is crucial for understanding RSV epidemiology.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Epidemiology

Background:

  • Respiratory syncytial virus (RSV) is a significant pathogen causing respiratory illness in young children.
  • Immunoprophylaxis is an available preventive measure for high-risk infants.
  • This study investigates the epidemiology of RSV in Puerto Rico.

Purpose of the Study:

  • To describe the epidemiology of RSV infection in infants with bronchiolitis in Puerto Rico.
  • To analyze RSV incidence across three primary care hospitals.

Main Methods:

  • Retrospective analysis of infant bronchiolitis cases from three hospitals.
  • Estimation of RSV-attributable percentage of cases in two hospitals.
  • Inclusion of confirmed RSV infection data from a third hospital.

Main Results:

  • A total of 4,557 patients were included in the study.
  • RSV infections were observed throughout the year.
  • A decreasing trend in RSV-positive infections was identified.

Conclusions:

  • RSV demonstrates year-round incidence in Puerto Rico.
  • A standardized surveillance system is essential for accurate RSV epidemiology.
  • The observed decline in RSV infections may be attributed to the implementation of immunoprophylaxis for high-risk infants.
Abstract

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