Community acquired pneumonia (CAP) is one of the most common serious infections in children and an important cause of death in children under 5 years old in developing countries and in adults over 65 in developed countries [8].In children, M. pneumoniae pneumonia causes up to 40% of (CAP) and as many as 18% of cases require hospitalization [9].Epidemics of M. pneumonia infections can occur in the ...