This article is about the American television series. For the British version, see Pawn Stars UK. For the Australian version, see Pawn Stars Australia. Pawn Stars is an American reality television series, shown on History, and produced by Leftfield Pictures.
Overview. Plague is an infectious disease caused by bacteria called Yersinia pestis. These bacteria are found mainly in rodents, particularly rats, and in the fleas that feed on them. Other animals and humans usually contract the bacteria from rodent or flea bites. Historically, plague destroyed entire civilizations.
1 Types of plague: 2  Bubonic plague: The bacteria that cause plague can thrive and grow in the flea's esophagus. 3  This crowding of bacterial growth prevents food from entering the flea's stomach. 4  To overcome starvation, the flea begins a blood-sucking rampage.lose contact with plague-infected tissue or fluid can also transmit plague-causing bacteria to humans. 1  Types of plague: 2  Bubonic plague: The bacteria that cause plague can thrive and grow in the flea's esophagus. 3  This crowding of bacterial growth prevents food from entering the flea's stomach.