Microbiology

Gram-neg rod. 1 flagellum, both endotoxin (obv) & exotoxin – permanently activates adenylate cyclase --> excrete lots of NaCl --> Rice-water diarrhea. Exotoxin is encoded by a lysogenic phage.

• Gram-neg rod; capsule type B causes the most invasive disease. A's: Makes IgA protease, aerosol transmission, cultured on chocolate agar w/factors V & X.
• When a child has "flu," mom goes to 5 & dime store to buy some chocolate.
• Clinical: HaEMOPhilus causes: epiglottitis, meningitis, otitis media, & pneumonia.

• Severe pneumonia (Legionnaires' disease) or mild flu (Pontiac fever).
• Stain: Silver (Gram stain poor).