No: If it has been more than 5 years since your last tetanus shot, you should get a booster. A tetanus vaccine is effective for 10 years for a clean wound and 5 years for a dirty wound. A rusty nail would be dirty and you should have a tetanus shot again. ...Read more.
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1 Michael Kaufman (author), promoter of the White Ribbon Campaign. 2  Andy Kaufman's brother. 3  Michael T. Kaufman (1938â2010), writer for the New York Times. 4  Michael Kauffmann (born 1931), art historian.  Michael M. Kaufmann (1891â1949), Chicago businessman.