1. Koo HL, Ajami N, Atmar RL, DuPont HL. Noroviruses: The leading cause of gastroenteritis worldwide. Discovery Med. 2010;10(50):61–70.
2. Wikswo ME, Hall AJ. Outbreaks of Acute Gastroenteritis Transmitted by Person-to-Person Contact - United States, 2009–2010. Morbidity and mortality weekly report Surveillance summaries (Washington, DC : 2002). 2012;61(9):1–12.
3. Centers for Disease Control and Prevention (CDC). Incidence and trends of infection with pathogens transmitted commonly through food - foodborne diseases active surveillance network, 10 U.S. sites, 1996–2012. MMWR Morb Mortal Wkly Rep. 2013;62(15):283–7.
4. Scallan E, Hoekstra RM, Angulo FJ, Tauxe RV, Widdowson MA, Roy SL, et al. Foodborne illness acquired in the United States--major pathogens. Emerg Infect Dis. 2011;17(1):7–15.
5. Glass RI, Parashar UD, Estes MK. Norovirus gastroenteritis. N Engl J Med. 2009;361(18):1776–85.