More Babies Seriously Sick With RSV Virus

A highly contagious virus is running rampant in the U.S. this year (1999) and is sending twice as many babies to the hospital as had been anticipated. Parents and physicians are being cautioned to be on the watch for breathing difficulties in young children who are most at risk. The virus is commonly known as RSV, for respiratory syncytial virus.

Children at high risk for RSV infection include babies under 6 months of age, particularly twins and other multiple-birth babies, and premature babies. Their susceptibility to RSV is believed to reflect the fact that their lungs may not be as fully developed and as mature as those of single babies who were born at full term. Children with lung or heart problems and those with a weakened immune system are also at added risk for RSV.

Most Common Cause Of Pneumonia In Infants

RSV is the single most common and most important cause of deep lung infection (lower respiratory tract disease) in infants and young children in the world. The virus is highly contagious. In temperate climates, infections with RSV primarily occur during yearly outbreaks that traditionally peak during the winter months, although this pattern of occurrence may be changing. RSV outbreaks were detected throughout the entire period from July 1998 to June 1999 in the United States according to the Center for Disease Control and Prevention (CDC).

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