<prompt> A 11 month old child presents with complaints of respiratory distress. On examination there is bilateral crepitation and wheezing. Which of the following is the most likely cause -PneumoniaAdenovirusRespiratory synchytial virusRhinovirus  <response>: Ans. is c i.e., Respiratory synchytial virus o The child presenting with respiratory distress and bilateral crepitations and wheezing, we have to suspect brochiolitis. 