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Preventing Norovirus Outbreaks infographic

Most norovirus outbreaks from contaminated food occur in food service settings like restaurants. Just a very small amount of norovirus on your food or your hands can make you sick. The amount of virus particles that fit on the head of a pin would be enough to infect more than 1,000 people.

Where do norovirus outbreaks from food contamination happen?

Restaurant: 64%

Catering or Banquet facility: 17%

Private Residence: 4%

Health Care Facilities: 1%

Schools and Daycare: 1%

Other/multiple: 13%

Source: CDC National Outbreak Reporting System, 2009-2012

Enforcing food safety practices in the food service industry can help prevent #norovirus outbreaks.

How contagious is norovirus?

Just a very small amount – as few as 18 viral particles – of norovirus on your food or your hands can make you sick.

In fact, the amount of virus particles that fit on the head of a pin would be enough to infect more than 1,000 people!

Source: Journal of Medical Virology, August, 2008

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  • Page last reviewed: June 3, 2014
  • Page last updated: June 3, 2014
  • Content source: Error processing SSI file
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