3.1.4 Moraxella catarrhalis

Question 1

Moraxella catarrhalis is the 3rd most common pathogen to cause what?

Answer 1

Otitis media

Question 2

What is the virulence factor for M. catarrhalis?

Answer 2

Attachment to respiratory epithelial cells

Question 3

What are the clinical infection for M. catarrhalis?

Answer 3

Localized infection
- Otitis media
- Sinusitis

Lower Respiratory tract infections

Systemic infections
- Endocarditis
- Meningitis
- Tracheitis

Question 4

What are the predisposing factors for M. catarrhalis to produce infection?

Answer 4

Advanced age
Immunodeficiency
Neutropenia