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Chikungunya virus (CHIKV) is an insect-borne virus, of the genus, Alphavirus and the family Togaviridae that is transmitted to humans by virus-carrying Aedes mosquitoes 1 and was first recognized in epidemic form in East Africa in 1952-1953. 2,3In India CHIKV was rst isolated in Calcutta in 1963, 4 with several reported outbreaks in India since then.The recent 2005 CHIKV epidemic, caused by the central/eastern African genotype, occurred among the populations of Runion and other Indian Ocean islands, 5,6 and spread to India, where an estimated 1.4 million people were infected. 789 Comparing the earlier outbreaks, the recent episode was massive, spread at a fast pace to wider areas causing serious economic and social impact. 8
Jmk Murthy (Thu,) studied this question.