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Burden of Norovirus Illness and Outbreaks Figure

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Estimates of annual number of norovirus illnesses and associated outcomes in the United States: 570-800 deaths; 56,000-71,000 hospitalizations; 400,000 emergency department visits; 1.7-1.9 million outpatient visits; and 19-21 million total illnesses. An average US resident experiences 5 episodes of norovirus illness in his or her lifetime. The average lifetime risk of norovirus-associated outpatient visit, emergency department visit, hospitalization, and death are 1 in 2, 1 in 9, 1 in 50-70, and 1 in 5,000-7,000, respectively. Ranges represent point estimates from different studies, not uncertainty bounds

Figure: Burden of Norovirus in the United States. Estimates of the annual number of illnesses and associated outcomes for norovirus disease in the U.S., across all age groups. Lifetime risks of disease are based on a life expectancy of 79 years of age.

Ranges represent point estimates from different studies, not uncertainty bounds.

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