Al Moyed, K.A. Al Shamahy, H.A. 2003 To determine the incidence, clinical presentation and antibiotic susceptibility of Mycoplasma pneumoniae at the main hospitals in Sana'a, we studied 405 patients clinically and radiographically diagnosed with lower respiratory tract infections aged 10 60 years. M. pneumoniae was identified by 3 different methods: culture, antigen detection and IgM serology. Antibiotic susceptibility testing was performed for confirmed isolates by macro broth dilution technique. There were 125 patients 30.9 with current infection, mostly among younger age groups, ...