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 2011. EFSA Journal
2013; 11: 3129.
2.Anonymous. Annual Report on Zoonoses in Denmark 2013. National Food Institute, Technical University of Denmark. 2014.
Franck, K, et al. Sources of calicivirus contamination in foodborne outbreaks, Denmark, 2005–2011 – the role of the asymptomatic food handler. Journal of Infectious Diseases. Published online:
Westrell, T, et al.
Norovirus outbreaks linked to oyster consumption in the United Kingdom, Norway, France, Sweden and Denmark, 2010. Eurosurveillance
2010; 15: 12.
Ethelberg, S, et al.
Outbreaks of gastroenteritis linked to lettuce, Denmark, January 2010. Eurosurveillance
2010; 15: 6.
Falkenhorst, G, et al.
Imported frozen raspberries cause a series of norovirus outbreaks in Denmark, 2005. Eurosurveillance
2005; 10: 9.
Baert, L, et al.
Reported foodborne outbreaks due to noroviruses in Belgium: the link between food and patient investigations in an international context. Epidemiology and Infection
2009; 137: 316–325.
Cotterelle, B, et al.
Outbreak of norovirus infection associated with the consumption of frozen raspberries, France, March 2005. Eurosurveillance
2005; 10: 4.
Hjertqvist, M, et al.
Four outbreaks of norovirus gastroenteritis after consuming raspberries, Sweden, June–August 2006. Eurosurveillance
2006; 11: 9.
Le Guyader, FS, et al.
Detection of noroviruses in raspberries associated with a gastroenteritis outbreak. International Journal of Food Microbiology
2004; 97: 179–186.
Maunula, L, et al.
Detection of human norovirus from frozen raspberries in a cluster of gastroenteritis outbreaks. Eurosurveillance. 2009; 14: 49.
Sarvikivi, E, et al.
Multiple norovirus outbreaks linked to imported frozen raspberries. Epidemiology and Infection
2012; 140: 260–267.
Bernard, H, et al.
Large multistate outbreak of norovirus gastroenteritis associated with frozen strawberries, Germany, 2012. Eurosurveillance
2014; 19: 8.
14.Anon. Scientific Opinion on the risk posed by pathogens in food of non-animal origin. Part 2 (Salmonella and Norovirus in berries). EFSA Journal
2014; 12: 3706–3801.
Van Alphen, L, et al.
The application of new molecular methods in the investigation of a waterborne outbreak of norovirus in Denmark, 2012. PLoS ONE. Published online: 15 September 2014. doi:10.1371/journal.pone.0105053.
Franck, KT, et al.
Norovirus epidemiology in community and health care settings and association with patient age, Denmark. Emerging Infectious Diseases
2014; 20: 1123–1131.
Donaldson, EF, et al.
Norovirus pathogenesis: mechanisms of persistence and immune evasion in human populations. Immunological Reviews
2008; 225: 190–211.
International Organization for Standardization. ISO/TS 15216–2. Microbiology of food and animal feed – Horizontal method for determination of hepatitis A virus and norovirus in food using real-time RT-PCR – Part 2: Method for qualitative detection. 2013; Geneva, Switzerland.
Schultz, AC, Detection and Inactivation of Noroviruses in Raspberries. Ph.D. thesis. Faculty of Health and Medical Sciences, University of Copenhagen and National Food Institute, Technical University of Denmark, 2012. [Can be requested from the author or though library: https://bibliotek.dk/eng/work/870970-basis%3A29480869.] Accessed 10 October 2014.
Gentry, J, Vinje, J, Lipp, EK.
A rapid and efficient method for quantitation of genogroups I and II norovirus from oysters and application in other complex environmental samples. Journal of Virological Methods
2009; 156: 59–65.
Kojima, S, et al.
Genogroup-specific PCR primers for detection of Norwalk-like viruses. Journal of Virological Methods
2002; 100: 107–114.
Nishida, T, et al.
Detection, quantitation, and phylogenetic analysis of noroviruses in Japanese oysters. Applied Environmental Microbiology
2003; 69: 5782–5786.
Kaplan, JE, et al.
Epidemiology of Norwalk gastroenteritis and the role of Norwalk virus in outbreaks of acute nonbacterial gastroenteritis. Annals of Internal Medicine
1982; 96: 756–761.
Sukhrie, FHA, et al.
Using molecular epidemiology to trace transmission of nosocomial norovirus infection. Journal of Clinical Microbiology
2011; 49: 602–606.
Xerry, J, et al.
Transmission events within outbreaks of gastroenteritis determined through analysis of nucleotide sequences of the P2 domain of genogroup II noroviruses. Journal of Clinical Microbiology
2008; 46: 947–953.
Xerry, J, et al.
Genetic characterization of genogroup I norovirus in outbreaks of gastroenteritis. Journal of Clinical Microbiology
2010; 48: 2560–2562.
Statens Serum Institut. Norovirus outbreak (raspberries) in the staff canteen at Køge Hospital. EPI-NEWS