Infant Fights for Her Life Because of 1 Simple Mistake Her Parents Made! DavidWolfe.comMay 13, 2016 RSV stands for respiratory syncytial virus — a common and highly contagious virus that infects the respiratory tract of most children before the age of 2. For s... FamilyHealth & LongevityInspirationLifestyleMotivationSafetySelf-HelpSurvival 0