Plague is a disease of rats which is transmitted to humans by flea bites, by the saliva of plague victims, or by handling animals carrying the disease or infected with the plague. The plague season is between April and December, but it can develop throughout the year. Ovarian plague develops in 1-7 days, pectoral plague can develop in 24 hours, and septicemic plague is short-lived. Prevention: clean the surroundings and kill the rats. Plague is a notifiable disease...