IFNG and medullary thyroid gland carcinoma: Standard tests such as VetMAXTM MTBC qPCR Kit [62], and serological tests using Elephant TB STAT-PAK,® DPP VetTB® Assay, MAPIA (multi-antigen print immunoassay) [38], and interferon gamma release assay (IGRA) [49] are used for detection of MTC in different parts of the world based on accessibility.