Moraxella catarrhalis


Mor·ax·el·la ca·tar·rha·'lis

a bacterial species that causes upper respiratory tract infections, particularly in immunocompromised hosts; the type species of the genus Moraxella. Synonym(s): Branhamella catarrhalis

Moraxella catarrhalis

A fastidious, non-motile, gram-negative, aerobic diplococcus.

Moraxella catarrhalis

A species that is a frequent cause of upper and lower respiratory tract infections, including otitis media in children and bronchitis and pneumonia in the elderly. It is resistant to beta-lactam antibiotics such as most penicillins, but can be treated with many cephalosporins, macrolides, and sulfa drugs. See also: Moraxella