Automatic dishwashers are extremely effective in cleaning cups, again far better than just disinfecting them without thorough cleaning prior to the distinction. Don't forget to wash your own hands, either. Numerous studies in hospitals have confirmed the fact that simply washing your hands frequently will be exceptionally effective in preventing infections. If one is experienceing a problem with infections, then they should use a good disinfectant to clean everything. This should be done every other day.
Disinfectants are only effective when used properly.
This means, among other things, correctly diluting the stock solution and then leaving the disinfectant in contact with the surface to be disinfected for a period of time. Without adequate contact time, no disinfectant will work. It should be used in a dilution of 1 part bleach to 32 parts water. It must stay in contact for about 10 minutes to assure disinfection. It is the least expensive disinfectant available.