Date	Event	Description
16 December 2019	New citation required and conclusions have changed	Ten new trials were included in this update. Conclusions have changed.
3 December 2019	New search has been performed	Ten new trials were included in this update. Conclusions have changed.
4 January 2012	New citation required but conclusions have not changed	Four new trials added
25 October 2011	New search has been performed	Four new trials included. Conclusions not changed.
28 June 2009	New citation required but conclusions have not changed	One new trial included. Conclusions not changed.
8 August 2006	Amended	Administration of antibiotic prophylaxis for elective inguinal hernia repair cannot be universally recommended. Nevertheless, its administration cannot either be recommended against when high rates of wound infection are observed.
17 March 2004	New search has been performed	Administration of antibiotic prophylaxis for elective inguinal hernia repair cannot be firmly recommended or discarded.