<prompt> A month old HIV positive child following UI developed sudden onset of breathlessness. The chest x-ray shows hyperinflation. The O2 saturation was greater than 90. The treatment of choice is -CotrimoxazoleRibavarinN GanciclovirNebulized Acyclovir  <response>: Ans. is b i.e., Ribavarin o The child with HIV is suffering from Bronchiolitis. o Antibiotics are not usually used in the treatment ofBronchiolitis who are previously healthy but Ribavarin shoens the duration of treatment in patient who have -- Immunodeficiency, Congenital hea disease, Chronic lung disease o The child in the question is having immunodeficiency due to, HIV infection. Therefore Ribavarin should be used in the treatment of this patient. 