JE virus life cycle in nature run between ?
Correct Answer: Pigs-Mosquito
Description: The natural cycles of JE vrirus are:-
a. Pig → Mosquito → Pig
b. Ardeid bird → Mosquito → Ardeid bird
Japanese encephalitis
Caused 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.
Hosts
Pigs → Amplifiers
Cattle and buffalos → Mosquito attractants
Man → Incidental dead-end host
Herons → Reservoir hosts
Cycles
a. Pig → Mosquito → Pig
b. Ardeid bird → Mosquito → Ardeid bird
Incubation period → 5-35 days.
Category:
Microbiology
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