April 9, 2009 7:04 am Dangers of RSV Respiratory Syncytial Virus is a common virus that can be especially dangerous for young children. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:25 Oceanside Pier fire still smoldering