Affiliation: | 1. Epidemiology Group, National Institute of Virology, Pune, India;2. Encephalitis Group, National Institute of Virology, Pune, India;3. Department of Microbiology, North Bengal Medical College, Siliguri, Darjeeling, West Bengal, India;4. Department of Medicine, North Bengal Medical College, Siliguri, Darjeeling, West Bengal, India;5. Department of Paediatric, North Bengal Medical College, Siliguri, Darjeeling, West Bengal, India |