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Outbreak of Chikungunya in India

Chikungunya is a mosquito-borne viral diseases of great public health concern in India. The first recorded chikungunya outbreak was in Kolkata in 1963. This was followed by epidemics in Tamil Nadu, Andhra Pradesh and Maharashtra in 1964–65 and in Barsi in 1973. All ages and both sexes were affected. The virus isolates belonged to the African genotype different from the viruses circulating in 1963–1973, which belonged to the Asian genotype. The A226V shift in the E1 protein that was detected with progression of the epidemic in Reunion Island was absent in all of the Indian isolates. The A226V mutation was found to occur only in the 2007 isolate from India.

Here, we present the statistics of state wise prevalence of Chikungunya in India.

GIS view - State wise Chikungunya statistics in India - 2011

GIS view - State wise Chikungunya statistics in India - 2012

Source: Directorate of National Vector Borne Disease Control Programme