Contact 04 : A person or animal who has been in association with an infected person or animal or a contaminated environment which might provide an opportunity to acquire the infective agent
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}