SOME CLINICAL EPIDEMIOLOGICAL, LABORATORY CHARACTERISTICS OF PNEUMONIA RELATED TO CYTOMEGALOVIRUS INFECTION IN CHILDREN TREATED AT NATIONAL HOSPITAL OF PEDIATRICS Objective: A prospective study was conducted to find out some clinical epidemiology, clinical characteristics of infected and non-infected with Cytomegalovirus in pneumonia patient treated at National Hospital of Paediatrics from 1/2010 to 12/2012.