Although cockroaches carry disease organisms, they are not known to transmit disease to humans. They do contaminate food and kitchen utensils with excrement and salivary secretions, leaving an unpleasant odor. Roaches move rapidly, disappearing quickly when discovered. They may be found wherever food, warmth, poor light and undisturbed hiding places are available. Empty beer, soft drink or juice bottles and cans are very attractive to roaches.
Once cockroaches have begun to infest the most important things are to control food, water and harborage. Food should not be left open in cabinets, on counters or on the stove overnight. Also water supplies need to be controlled. No water left in the sink, no leaking faucets and soda and beer cans ect, should be rinsed right after use. Also dry or moist pet food may also be a source and should be picked up and put away before nighttime. Cabinets and drawers in the kitchen and bath should be clear of excess papers, books, binders ect., and of course professional help is available to eliminate the roach problem in addition to the steps outlined above.