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Rate of Seasonal Spread of Respiratory Syncytial Virus in a Pediatric Hospital

Abstract The rate of nosocomial respiratory syncytial virus infection was measured in a large pediatric hospital using an incidence density method. The at-risk days for nosocomial RSV were summed during a defined winter period in which there were 54 admissions with community-acquired RSV infection giving a rate of 2.9 cases per 1,000 at-risk days (95% confidence interval, 0.3-5.4 per 1,000).