Answer:
The reservoir : water fountain located at the stern/ source: water
Step-by-step explanation:
Legionnaires disease is a form of pneumonia caused by any type of bacteria Legionella. The bacteria is naturally present in freshwater and can contaminate hot water tanks, bathtubs and large air conditioner cooling systems. The disease is usually catched by inhaling droplets of water contaminated with the bacteria, but It can also be by aspirating contaminated water into the lungs. It is not transmitted directly between people and most exposed people are not infected.