1. de Valk H, Jacquet C, Goulet V, Vaillant V, Perra A, Desenclos J-C, ; Listeria Working Group. Feasibility study for a collaborative surveillance ofListeriainfections in Europe; report to the European Commission. Paris: DGSANCO; Mar 2003 [cited 2008 Jul 8]. Available from http://www.invs.sante.fr/publications/2004/listernet/rap_listernet_p1_76.pdf
2. Significant increase of listeriosis in Germany–—epidemiological patterns 2001–2005.;Koch;Euro Surveill,2006
3. Changing pattern of human listeriosis, England and Wales, 2001–2004.;Gillespie;Emerg Infect Dis,2006
4. Health Protection Agency. Cases: England and Wales, by month, 1990–2006:Listeria monocytogenes,human cases in residents of England and Wales by month reported to the Health Protection Agency Centre for Infections 1990–2006. 2008 [cited 2008 Jul 8]. Available from http://www.hpa.org.uk/webw/HPAweb&HPAwebStandard/HPAweb_C/1195733767791
5. Health Protection Agency. Health protection report. Advice to pregnant women during the lambing season. 25 Jan. 2008;2(4) [cited 2008 Jul 8]. Available from http://www.hpa.org.uk/hpr/archives/2008/news0408.htm