Molecular & serological study of dengue virus-infected patients attending a tertiary hospital of Dhaka city, Bangladesh (2013 to 2016)

Sir, Dengue fever is a mosquito-borne disease caused by serotypes of dengue virus (DENV-1, -2, -3 and -4). Infection by one serotype confers long-term immunity to that serotype but subsequent infection by another serotype causes severe disease including dengue haemorrhagic fever and dengue shock syndrome1. Several molecular markers such as dengue viral load, serotype and serological markers such as dengue NS1 (non-structural protein 1) antigen...