Seroprevalence and clinical manifestations of chikungunya virus infection in rural areas of Chandrapur, Maharashtra, India
Chikungunya virus (CHIKV) infection has recently witnessed re-emergence, affecting rural areas of India with high morbidity rates. This prospective study was conducted to evaluate seroprevalence and clinical manifestation in targeted villages reporting cases of CHIKV infection. A total of 482 patients were recruited from Kalmana and Kothari villages of Ballarpur; Chandrapur district of Maharashtra state, India during CHIKV outbreaks in 2011–12. The serum samples from infected CHIKV patients were simultaneously screened through ELISA for detection of antigen and antibodies (IgM and IgG). Chi-square analysis was used to evaluate differences in seropositivity between age, gender and clinical manifestations of CHIKV.