<prompt> The following age group is most severely affected by rubella infection:Females aged 25-35 yearYoung girlsAdolescent girlsUnborn child  <response>: Congenital Rubella syndrome are often severe and may involve nearly every organ system Congenital rubella syndromeCRS includes:-Greggs triad: Cataract Deafness Sensorineural hearing loss Congenital hea disease Most common- PDA and less common-ASD 