| Question | Answer |
| Gram - Rods, Aerobic Intracellular | Shigella, Salmonella, Legionella pneumophila |
| Salmonella typhi/paratyphi: Labs | Oxidase -, Methyl red +, Non-lactose fermenting |
| Salmonella typhi/paratyphi: Toxins | Lipopolysaccharide, O-, H-, and K-antigens; Can survive within macrophages and invaced the mucous layer; Beta-Lactamases, Acetlytransferase |
| Salmonella typhi/paratyphi: Diseases | Enteric fever (Typhoid fever, Bacteremia, Osteomyelitis; Can cause Reiter's Syndrome and can also lead to abortion in pregnancy |
| Salmonella typhi/paratyphi: Treatment | Fluid and electrolytes, Ciprofloxacin, Trimethoprim-Sulfamethoxazole |
| Salmonella typhi/paratyphi: Transmission | Human GI tract reservoir with fecal-oral transmission |
| Shigella: Labs | Oxidase -, Non-lactose fermenting |
| Shigella: Toxins | Shiga toxin (Inhibits protein synthesis), Lipopolysaccharide, Invasion factor |
| Shigella: Diseases | Bacillary Dysentery (bloody diarrhea), HUS; Associated with Reiter's Syndrome |
| Shigella: Treatment | Trimethoprim-Sulfamethoxazole,Ciprofloxacin, Ceftriaxone, Fluid and electrolytes |
| Shigella: Transmission | Human GI tract reservoir; Fecal-oral transmission |
| Salmonella: enteritidis: Transmission | Animal reservoir; Fecal-oral transmission; raw eggs, milk, and chicken |
| Legionella pneumophila: Labs | Catalase positive; produce brown pigment on culture |
| Legionella pneumophila: Toxins | Lipopolysaccharide, Proteolytic enzymes, Beta-lactamase +; Can prevent the fusion of phagolysosomes |
| Legionella pneumophila: Diseases | Legionnaire's disease (atypical pneumonia), Pontiac fever |
| Legionella pneumophila: Treatment | Erythromycin, Azithromycin, Levofloxacin |
| Legionella pneumophila: Transmission | Air conditioners, whirlpool baths, humidifiers, contaminated water; Inhalation of aerosols |