http://www.preemiecare.org/rsvfaq.htm
This document presents frequently asked questions about respiratory syncytial virus (RSV), a very common virus, one that virtually all children contract by the time they are two years old. The virus causes a lung infection that can make some babies and young children very sick. The document includes answers on who is at risk for RSV, what the signs and symptoms of RSV are, how RSV is contracted, and more.