General introduction C tetani is found worldwide Ubiquitous in soil, it is occasionally found in intestinal flora of humans and animals C, tetani is the cause of tetanus, or lockjaW. When spores are introduced into wounds by contaminated soil or foreign objects such as nails or glass splintersGeneral introduction ◼ C tetani is found worldwide. Ubiquitous in soil, it is occasionally found in intestinal flora of humans and animals ◼ C.tetani is the cause of tetanus,or lockjaw. When spores are introduced into wounds by contaminated soil or foreign objects such as nails or glass splinters