Swapnilraj Rampukar Prajapati, K. M. L. Pathak, Preeti Srivastava, Ashish Kumar Meena
This systematic review synthesizes current knowledge on dengue epidemiology, serotype distribution, and surveillance systems across four South Asian countries: India, Bangladesh, Sri Lanka, and Bhutan. Through analysis of peer-reviewed literature (2000-2024) and official health reports, the study ex...