This issue covers the full gamut of infectious disease issues encountered in the ICU, including the approach to the febrile patient, management of septic shock, severe community-acquired pneumonia, management of ventilator-associated pneumonia, approach to the immunocompromised host, bloodstream infection, severe soft tissue infections, management of intra-abdominal sepsis, meningitis and brain abscess, treatment of fungal infections, acute infective endocarditis, new antimicrobial agents, antimicrobial stewardship, infection control, and C. difficile infection.