Methicillin-resistant Staphylococcus aureus (MRSA)

Staphylococcus aureus strain resistant to methicillin and other β-lactam antibiotics and one of the leading causes of hospital-acquired infections.

Moraxella catarrhalis

Moraxella catarrhalis is a gram-negative diplococcus that resembles non-pathogenic Neisseria both morphologically and metabolically.

Helicobacter pylori

Gram-negative spiral-shaped bacterium that inhabits the gastric environment.


Cholera is an acute secretory diarrheal illness caused by the bacteria Vibrio cholerae.