Transfer and spread of fleas and relating effects on plague epidemic in west China

Flea,known as a vector of plague,is an ectozoa of warm-blood animals.The transfer or exchange of flea among the hosts has played an important role in the natural plasuc epidemic.Furthermore,the transfer or exchange of flea between the primary and potential hosts not only has effects on natural plague epidemic,but also plays a supplementary and consolidating mh in nature location and preservation of plague.To prevent the plague epidemic,we should keep away from the sick or dead animals,such as some herbivores (sheep,red deer,roe,rabbit,etc.)and predators(fox,ferretai,tigerferret,lynx,etc.).In the event of an epidemic,we should focus on the location,eliminate rodents and fleas to avoid further spread of plague by infected fleas. Key words: Fleas; Transfer; Spread; Epidemiology