ISSN: 1080-6059
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1. Norovirus (NoV) has been documented to cause what percentage of all-cause epidemic gastroenteritis worldwide?
A. 30%
B. 50%
C. 75%
D. 90%
2. Among 13 studies of community- or clinic-based mild-to-moderate diarrhea cases, what was the most likely pooled proportion attributed to NoV infection?
A. 5%
B. 12%
C. 40%
D. 65%
3. For severe diarrhea seen in emergency departments and/or resulting in hospitalizations, which of the following best describes the pooled proportion of cases attributable to NoV infection as reported in 23 studies?
A. 2%
B. 11%
C. 23%
D. 35%
4. Which of the following is considered the most common strain of NoV causing diarrhea among NoV cases?
A. GII.4 cluster
B. GII.1 cluster
C. GI.1 cluster
D. GIII.2 cluster
5. The worldwide morbidity and mortality from NoV among children in developing countries is best described by which of the following estimations?
A. 5 million hospitalizations
B. 400,000 deaths
C. 216,000 deaths
D. 2.5 million hospitalizations
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