If it is Fish TB, which isn't actually tuberculosis, but a bacterial infection that is related to the tubercular bacteria, you may be at risk. This is from the link I posted:
Prevention is key to avoiding this disease since it is so difficult to cure. The immune system is usually enough to prevent an infection in healthy fish. Stress, which suppresses the body's immune system, and/or wounds in fish are most likely to allow an infection to take hold. Therefore, eliminating stress is paramount. Although aquarists don't frequently get this disease, using gloves when cleaning infected tanks is highly recommended. Starting a siphon by mouth is also a good way to expose yourself unnecessarily to the bacteria. If a tank has been infected, it is considered best to bleach it well and dry it out before restocking it.