Prevalence and resistance pattern of Moraxella catarrhalis in community-acquired lower respiratory tract infections.

Introduction: Moraxella catarrhalis previously considered as commensal of upper respiratory tract has gained importance as a pathogen responsible for respiratory tract infections. Its beta-lactamase-producing ability draws even more attention toward its varying patterns of resistance.

Methods: This was an observational study conducted to evaluate the prevalence and resistance pattern of M.