Department of Veterinary Microbiology, College of Veterinary Science, Rajendranagar, Hyderabad - 500 030, (AP).
*Corresponding author: Vety. Asstt. Surgeon, Japanese Encephalitis Lab., Vety. Biological Research Institute, Shantinagar, Hyderabad, (AP).
**Asstt. Professor, Department of Vety. Pathology.
