CAP, HCAP, HAP and VAP - Diagnosis and Treatment HCAP & CAP – those presenting to the hospital with pneumonia HAP & VAP – those that developed pneumonia >48 hours after admission to the hospital or mechanical ventilation, respectively. - Dr. Milana Bogorodskaya https://twitter.com/foamid #CAP #HCAP #HAP #VAP #Pneumonia #Acquired #Community #Diagnosis #Management #Treatment #InfectiousDisease #Healthcare