Objective: The respiratory syncytial virus (RSV) is the most significant viral pathogen causing bronchiolitis and pneumonia in infants, today. In tropical climates the RSV infection may occur throughout the year. The purpose of this study was to asses RSV infections during the 2009‒2010 RSV season in children under 2 years of age and to evaluate the trend of positive RSV tests in the period of 2007 to 2009.
Methods: A retrospective review of data collected from 6 hospitals in Puerto Rico was performed. Patients with confirmed RSV bronchiolitis were included in the study.
Results: A total of 4,678 patients were included. The mean age of the patients was 7 months. Data showed that RSV infection occurred throughout the studied months.
Conclusion: Data confirms a year-round presence of RSV in Puerto Rico. The RSV surveillance system needs to be reinforced to establish and understand the epidemiology of RSV and to review the current immunoprophylaxis guidelines.
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