Recent outbreaks of Chikungunya virus CHIKV in dengue endemic areas have alarmed clinicians as unique clinical features differentiating CHIKV from Dengue virus DENV are limited. ...METHODOLOGY: A prospective point prevalence study was conducted, with the hypothesis that not all patients presenting with clinical suspicion of dengue infections at local hospitals are suffering from dengue and that other arboviruses such as Chikungunya, West Nile viruses, Japanese Encephalitis virus and Zika virus are co circulating in the Sindh region of Pakistan. ...