<prompt> JE virus life cycle in nature run between ?Pigs-MosquitoCattle-BirdsPigs-humanBird-Pigs  <response>: The natural cycles of JE vrirus are:-a. Pig Mosquito Pigb. Ardeid bird Mosquito Ardeid birdJapanese encephalitisCaused by a group B arbovirus flavivirus It is a Zoonotic disease i.e., infecting mainly animals and incidentally man.In the south, epidemics have occurred in Karnataka, Andhra Pradesh. Tamil Nadu, and Kerala.Vector mosquito Culex tritaeniorhynchus that breeds in rice fields. HostsPigs AmplifiersCattle and buffalos Mosquito attractantsMan Incidental dead-end hostHerons Reservoir hostsCyclesa. Pig Mosquito Pigb. Ardeid bird Mosquito Ardeid birdIncubation period 5-35 days. 