Which statement most accurately describes infection control and antibiotic considerations for pneumonia etiologies (viral, bacterial, and atypical)?

• A. Viral pneumonia uses supportive care and rarely antibiotics; bacterial pneumonia requires antibiotics; atypical may use macrolide/doxycycline; isolation per illness.
• B. Viral pneumonia requires airborne isolation; bacterial pneumonia never isolates.
• C. Atypical pneumonia cannot be isolated.
• D. All pneumonia types require the same antibiotic therapy.

Answer: (C)

The main idea here is matching infection-control measures and antibiotic choices to the pneumonia-causing organism. Viral pneumonia is usually managed with supportive care, with antibiotics reserved for suspected or confirmed bacterial coinfection; bacterial pneumonia typically requires antibiotics; atypical pneumonia (Mycoplasma, Chlamydophila, Legionella) is often treated with a macrolide or doxycycline. Isolation precautions depend on how contagious the suspected pathogen is, and there isn’t a single isolation rule that fits all types of pneumonia. The statement about atypical pneumonia not requiring isolation reflects the nuance that isolation needs aren’t uniform across all etiologies—treatment and precautions should be guided by the specific organism and the clinical setting, following current guidelines. Always align practice with institutional policies and the suspected pathogens.