European Food Safety Authority. Manual for reporting of food-borne outbreaks in the framework of Directive 2003/99/EC from the reporting year 2009. EFSA Journal. 2010;8(4):1578.
Mead PS, Slutsker L, Dietz V, McCaig LF, Bresee JS, Shapiro C, et al. Food-related illness and death in the United States. Emerg Infect Dis. 1999;5:607–25.
European food safety authority, European Centre for Disease Prevention and Control. The European Union Summary Report on Trends and Sources of Zoonoses, Zoonotic Agents and Food-borne Outbreaks in 2009. EFSA Journal. 2011;9(3):2090.
Linscott AJ. Food-Borne Illnesses. Clin Microbiol. Newsletter 2011;33:41–5.
Severi E, Verhoef L, Thornton L, Guzman-Herrador BR, Faber M, Sundqvist L, et al. Large and prolonged food-borne multistate hepatitis A outbreak in Europe associated with consumption of frozen berries, 2013 to 2014. Euro Surveill. 2015;20(29):pii=21192. Available online: http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=21192.
McCarthy N, Giesecke J. Case-case comparisons to study causation of common infectious diseases. Int J Epidemiol. 1999;28:764–8.
Knoblauch AM, Bratschi MW, Zuske MK, Althaus D, Stephan R, Hächler H, et al. Cross-border outbreak of Salmonella enterica ssp. enterica serovar Bovismorbificans: Multiple approach investigation in Germany and Switzerland. Swiss Med Wkly. 2015;145:w14182 http://www.smw.ch/content/smw-2015-14182/
Pogreba-Brown K, Ernst K, Harris RB. Case-case methods for studying enteric diseases: A review and approach for standardization. OA Epidemiology. 2014;2(1):7.