By Ethan Covey
Private balcony hot tubs were likely the source of outbreaks of Legionnaires disease that occurred on two cruise ships between November 2022 and July 2024, according to the CDC.
In total, 12 cases of Legionnaires disease were identified among cruise ship travelers (MMWR Morb Mortal Wkly Rep 2024;73:950–954).
“Travel on cruise ships is a recognized risk factor for Legionnaires’ disease due to exposure to aerosolizing devices, for example, hot tubs, onboard and the