1Dept of Microbiology, Madras Veterinary College, Chennai
2Leptospirosis Research Laboratory, CAHS, Chennai
3Central University Laboratory, CAHS, Chennai
4Centre For Animal Health Studies, Madhavaram Milk Colony, Chennai
Vaccine Research Centre - Viral Vaccines, Centre for Animal Health Studies (CAHS), Madhavaram Milk Colony - 600 051 (Chennai)