DSO National Laboratories View Institution's Website 1 article published in JoVE Immunology and Infection Visualizing Dengue Virus through Alexa Fluor Labeling Summer Zhang1, Hwee Cheng Tan2, Eng Eong Ooi3 1Defence Medical and Environmental Research Institute, DSO National Laboratories, 2Program in Emerging Infectious Diseases, Duke-NUS Graduate Medical School, 3Program in Emerging Infectious Diseases, Duke-NUS Graduate Medical School Taking advantage of the advancements in fluorophore development and imaging technology, a simple method of Alexa Fluor labeling of dengue virus was devised to visualize the early interactions between virus and cell.