1. Koopmans, M, et al. Early identification of common-source foodborne Virus outbreaks in Europe. Emerging Infectious Diseases 2003; 9: 1136–1142.
2. Svraka, S, et al. Etiological role of viruses in outbreaks of acute gastroenteritis in the Netherlands from 1994 through 2005. Journal of Clinical Microbiology 2007; 45: 1389–1394.
4. Rutjes, SA, et al. Detection of noroviruses in foods: a study on virus extraction procedures in foods implicated in outbreaks of human gastroenteritis. Journal of Food Protection 2006; 69: 1949–1956.
5. Boxman, ILA, et al. Detection of noroviruses in shellfish in the Netherlands. International of Food Microbiology 2007; 108: 391–396.
6. Baert, L, Uyttendaele, M, Debevere, J. Evaluation of viral extraction methods on a broad range of ready-to-eat foods with conventional and real-time RT-PCR for norovirus GII detection. International Journal of Food Microbiology 2008; 123: 101–108.
7. MacDougall, L, et al. Under-reporting of infectious gastrointestinal illness in British Columbia, Canada: who is counted in provincial communicable disease statistics? Epidemiology and Infection 2008; 136: 248–256.
8. Jothikumar, N, et al. Rapid and sensitive detection of noroviruses by using TaqMan-based one-step reverse transcription-PCR assays and application to naturally contaminated shellfish samples. Applied and Environmental Microbiology 2005; 71: 1870–1875.
9. Vinjé, J, Koopmans, MPG. Molecular detection and epidemiology of small round-structured viruses in outbreaks of gastroenteritis in The Netherlands. Journal of Infectious Diseases 1996; 174: 610–615.
10. Wollants, E, et al. Evaluation of a norovirus sampling method using sodium dodecyl sulfate/EDTA-pretreated chromatography paper strips. Journal of Virological Methods 2004; 122: 45–48.
11. Boxman, ILA, et al. An efficient and rapid method for recovery of norovirus from food associated with outbreaks of gastroenteritis. Journal of Food Protection 2007; 70: 504–508.
12. Dippold, L, et al. A gastroenteritis outbreak due to norovirus associated with a Colorado hotel. Journal of Environmental Health 2003; 6: 13–17.
13. Johansson, PJH, et al. Foodborne outbreak of gastroenteritis associated with genogroup I calicivirus. Journal of Clinical Microbiology 2002; 40: 794–798.
15. Glasscock, S, et al. Multistate outbreak of norovirus gastroenteritis among attendees at a family reunion – Grant County, West Virginia, October 2006. Morbidity and Mortality Weekly Report 2007; 56: 673–678 (http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5627a1.htm). Accessed 9 April 2008.
16. Sala, MR, et al. An Outbreak of food poisoning due to a genogroup I norovirus. Epidemiology and Infection 2005; 133: 187–191.
17. Friedman, DS, et al. An outbreak of norovirus gastroenteritis associated with wedding cakes. Epidemiology and Infection 2005; 133: 1057–1063.
18. Sakon, N, et al. Norovirus Outbreak of gastroenteritis linked to packed lunches. Japanese Journal of Infectious Diseases 2005; 58: 253.
19. Godoy, P, et al. Outbreak of foodborne norovirus associated with the consumption of sandwiches. Medicina Clinica 2005; 124: 161–164.
20. Anderson, AD, et al. Multistate outbreak of Norwalk-like virus gastroenteritis associated with a common caterer. American Journal of Epidemiology 2001; 154: 1013–1019.
22. De Wit, MAS, et al. Large outbreak of norovirus: the baker who should have known better. Journal of Infection 2007; 55: 188–193.
23. Schmid, D, et al. A foodborne norovirus outbreak due to manually prepared salad, Austria 2006. Infection 2007; 35: 232–239.
26. Kingsley, DH, Meade, GK, Richards, GP. Detection of both hepatitis A virus and Norwalk-like virus in imported clams associated with foodborne illness. Applied and Environmental Microbiology 2002; 68: 3914–3918.
27. Gallimore, CI, et al. Multiple norovirus genotypes characterized from an oyster-associated outbreak of gastroenteritis. International Journal of Food Microbiology 2005; 103: 323–330.
28. Le Guyader, FS, et al. Detection of multiple noroviruses associated with an international gastroenteritis outbreak linked to oyster consumption. Journal of Clinical Microbiology 2006; 44: 3878–3882.
29. Le Guyader, FS, et al. A semiquantitative approach to estimate Norwalk-like virus contamination of oysters implicated in an outbreak. International Journal of Food Microbiology 2003; 87: 107–112.
30. Ng, TL, et al. Oyster-associated outbreaks of norovirus gastroenteritis in Singapore. Journal of Infection 2005; 51: 413–418.
31. Prato, R, et al. Norovirus gastroenteritis general outbreak associated with raw shellfish consumption in South Italy. BMC Infectious Diseases 2004; 4. Published online: 21 September 2004. doi:10.1186/1471-2334-4-37.
32. David, ST, et al. An outbreak of norovirus caused by consumption of oysters from geographically dispersed harvest sites, British Columbia, Canada, 2004. Foodborne Pathogens and Disease 2007; 4: 349–358.
34. Kuusi, M, et al. Internet use and epidemiologic investigation of gastroenteritis outbreak. Emerging Infectious Diseases 2004; 10: 447–450.
35. Nygard, K, et al. Waterborne outbreak of gastroenteritis in a religious summer camp in Norway, 2002. Epidemiology and Infection 2004; 132: 223–229.
36. Hoebe, CJPA, et al. Norovirus outbreak among primary schoolchildren who had played in a recreational water fountain. Journal of Infectious Diseases 2004; 189: 699–705.
37. Maunula, L, et al. Wading pool water contaminated with both noroviruses and astroviruses as the source of a gastroenteritis outbreak. Epidemiology and Infection 2004; 132: 737–743.
39. Hewitt, J, et al. Gastroenteritis outbreak caused by waterborne norovirus at a New Zealand ski resort. Applied and Environmental Microbiology 2007; 73: 7853–7857.
40. Parshionikar, SU, et al. Waterborne outbreak of gastroenteritis associated with a norovirus. Applied and Environmental Microbiology 2003; 69: 5263–5268.
41. Sartorius, B, et al. Outbreak of norovirus in Vastra Gotaland sssociated with recreational activities at two lakes during August 2004. Scandinavian Journal of Infectious Diseases 2007; 39: 323–331.
44. Le Guyader, FS, et al. Detection of noroviruses in raspberries associated with a gastroenteritis outbreak. International Journal of Food Microbiology 2004; 97: 179–186.
48. Gallimore, CI, et al. Detection of multiple enteric virus strains within a foodborne outbreak of gastroenteritis: an indication of the source of contamination. Epidemiology and Infection 2005; 133: 41–47.
50. Hedberg, CW, et al. The use of clinical profiles in the investigation of foodborne outbreaks in restaurants: United States, 1982–1997. Epidemiology and Infection 2007; 136: 65–72.
51. Rizzo, C, et al. Epidemiological and virological investigation of a norovirus outbreak in a resort in Puglia, Italy. BMC Infectious Diseases 2007; 7. Published online: 19 November 2007. doi:10.1186/1471-2334-7-135.
52. Kroneman, A, et al. Data quality of 5 years of central norovirus outbreak reporting in the European network for foodborne viruses. Journal of Public Health 2008; 30: 82–90.
53. Schwab, KW, et al. Distribution of Norwalk virus within shellfish following bioaccumulation and subsequent depuration by detection using RT-PCR. Journal of Food Protection 1998; 61: 1674–1680.
54. O'Brien, SJO, et al. Review article. Publication bias in foodborne outbreaks of infectious intestinal disease and its implications for evidence-based food policy. England and Wales 1992–2003. Epidemiology and Infection 2006; 134: 667–674.
55. Ozawa, K, et al. Norovirus infections in symptomatic and asymptomatic food handlers in Japan. Journal of Clinical Microbiology 2007; 45: 3996–4005.
56. Noda, M, Fukuda, S, Nishio, O. Statistical analysis of attack rate in norovirus foodborne outbreaks. International Journal of Food Microbiology 2008; 122: 216–220.