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**Cell-mediated immunity required
**Cell-mediated immunity required
*''Nocardia farcinica'' causes bovine farcy, a chronic infection of superficial lymphatic vessels and lymph nodes
*''Nocardia farcinica'' causes bovine farcy, a chronic infection of superficial lymphatic vessels and lymph nodes
+
===''Dermatophilus congolensis''===
===''Dermatophilus congolensis''===