By Newsbreak Producer Taliesha Naidoo - Home gardeners and those who work with soil are being urged to stay up to date with their regular tetanus vaccinations. Tetanus, also called lockjaw, is a serious infection caused by Clostridium tetani. This bacterium produces a toxin that affects the brain and nervous system. The infection can cause severe muscle spasms, serious breathing difficulties, and can ultimately be fatal. Newsbreak's Taliesha Naidoo spoke to Dr Pete Vincent of Netcare Medicross Tokai about the risks of tetanus in soil...