1Immunology Section, Indian Veterinary Research Institute (IVRI), Izatnagar (U.P.)–243 122, India.
2Avian Diseases Section, Division of Pathology, Indian Veterinary Research Institute (IVRI), Izatnagar (U.P.)-243 122, India.
3Department of Microbiology, College of Veterinary Sciences, UP Pandit Deen Dayal Upadhyaya Veterinary University (DUVASU), Mathura (U.P.)-281001, India.
4Division of Veterinary Biotechnology, Indian Veterinary Research Institute (IVRI), Izatnagar (U.P.)-243 122, India.
5Division of Pathology, Indian Veterinary Research Institute (IVRI), Izatnagar (U.P.)-243 122, India.
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