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Overview

Overview of Respiratory Syncytial Virus (RSV)

Respiratory Syncytial Virus is found everywhere and is the most important cause of serious lower respiratory tract infection in infants and children.1 Almost all children will have been infected by the age of 2 and reinfection occurs in every age group.2,3

Infection with RSV

RSV causes signs and symptoms of bronchiolitis or pneumonia in 25% to 40% of infants; 0.5% to 2% will require hospitalization.2 Hospitalizations and healthcare resource utilization for RSV exceeds that of influenza and parents of children with RSV miss almost 3 times as many workdays as parents of children with flu.4

Like flu, RSV infection is seasonal. The number of RSV cases typically rise in the fall, peak in the winter months, and decline in early spring. But the exact timing of the RSV seasons varies across the U.S. The CDC provides a guide to the RSV season for each area of the U.S.

Learn more about the RSV season from the CDC

Learn more about diagnosing RSV

Selected Articles

Link arrow Respiratory syncytial virus infection (RSV). CDC.
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Link arrow Respiratory syncytial virus infection. Emedicine.
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Link arrow Respiratory syncytial virus: treatments and drugs. Mayo Clinic Staff.
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