Klebsiella pneumoniae 💦🩷 Encapsulated gram-negative rod that causes hospital-acquired pneumonia, especially in patients with ventilators, alcohol use disorder, or aspiration risk. Biochemical profile 🧪 Lactose fermenter (pink on MacConkey) Urease positive Citrate positive Indole negative Non-motile Produces thick, jelly-like sputum due to its polysaccharide capsule. Think “currant jelly sputum” when you hear Klebsiella pneumoniae. 🪼 🦠🔬Ready to pass the ASCP exam? Click the link in my bio o