Can parasites and other waterborne bacteria in home aquariums be harmful to humans?

I've heard that there is a risk of being infected with ailments from maintaining a home aquarium.

Can parasites and other waterborne bacteria in home aquariums be harmful to humans?
the only way it could become dangerous to people is if you never clean it, don't use a filter, and let dead fish build up in the tank without removing them. Then the water might make you sick.
Reply:Yes. Especially to children and the elderly.
Reply:Yes, make sure your tank is cleaned regularly. If you have kids, don't let them play with the water. A clean tank is not a health risk.
Reply:Children, elderly people, and especially people with a weakened or low immune system, such as people on immuno despressant drugs, are susceptible to bacteria from a fish tank, most usually salmonella.
Reply:yes you actually can catch things from having cuts or open sores on your hands and putting them in the tank. The home aqaurium is a varible cesspool of bacterias and such. Parasites are not such a problem as long as you don't drink the water.
Reply:yes, if proper care is not used. if handling a sick tank, always wash hands (and arms if wet) immediately with warm soap and water. Fish can get diseases similar to tubercolosis, a very dangerous disease to humans.
Reply:yes, some can be.