The respiratory' syncytial virus: (A) The respiratory' syncytial virus, (B) The para influenza virus, (C) The adenovirus, (D) The coronavirus
Answer is B. Croup tLarvngotracheobronchitis
o Croup is a viral infection of upper respiratory tract,
o Children between the age of 1-5 years are affected,
o Para-influenza type I virus is the most common causative organism.
o Other viruses implicated in causaction are RSV, influenza virus, Adneovirus and Rhinovirus.