1. Department of Microbiology, College of Veterinary Sciences, Assam Agricultural University, Khanapara, Guwahati, Assam, India 781022
2. Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India 781039
3. Department of Pathology, College of Veterinary Sciences, Assam Agricultural University, Khanapara, Guwahati, Assam, India 781022