Deepta Bhattacharya working in a lab Noelle Haro-Gomez/University of Arizona Health Sciences Deepta Bhattacharya works in his laboratory at the University of Arizona Health Sciences. Findings from Bhattacharya's recent research of flaviviruses give him and his team a new way to think about vaccines for the types of viruses that cause diseases such as dengue, yellow fever, West Nile and Zika.