When the switch of a flashlight is pushed into the ON position, it makes contact between two contact strips, which begin a flow of electricity, powered from the battery. The batteries are connected in such a way that electricity (flow of electrons) runs between the positive and negative electrodes of the battery.
Shigella infection (shigellosis) is an intestinal disease caused by a family of bacteria known as shigella. The main sign of shigella infection is diarrhea, which often is bloody. Shigella can be passed through direct contact with the bacteria in the stool.
Asiatic cholera, cholera, epidemic cholera, Indian cholera-an acute intestinal infection caused by ingestion of contaminated water or food. breakbone fever, dandy fever, dengue, dengue fever-an infectious disease of the tropics transmitted by mosquitoes and characterized by rash and aching head and joints.ansen's disease, leprosy-chronic granulomatous communicable disease occurring in tropical and subtropical regions; characterized by inflamed nodules beneath the skin and wasting of body parts; caused by the bacillus Mycobacterium leprae.