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Volume 19, Number 8—August 2013

CME ACTIVITY - Research

Effects and Clinical Significance of GII.4 Sydney Norovirus, United States, 2012–2013

Earning CME Credit

To obtain credit, you should first read the journal article. After reading the article, you should be able to answer the following, related, multiple-choice questions. To complete the questions (with a minimum 70% passing score) and earn continuing medical education (CME) credit, please go to www.medscape.org/journal/eid. Credit cannot be obtained for tests completed on paper, although you may use the worksheet below to keep a record of your answers. You must be a registered user on Medscape.org. If you are not registered on Medscape.org, please click on the New Users: Free Registration link on the left hand side of the website to register. Only one answer is correct for each question. Once you successfully answer all post-test questions you will be able to view and/or print your certificate. For questions regarding the content of this activity, contact the accredited provider, CME@medscape.net. For technical assistance, contact CME@webmd.net. American Medical Association’s Physician’s Recognition Award (AMA PRA) credits are accepted in the US as evidence of participation in CME activities. For further information on this award, please refer to http://www.ama-assn.org/ama/pub/category/2922.html. The AMA has determined that physicians not licensed in the US who participate in this CME activity are eligible for AMA PRA Category 1 Credits™. Through agreements that the AMA has made with agencies in some countries, AMA PRA credit may be acceptable as evidence of participation in CME activities. If you are not licensed in the US, please complete the questions online, print the certificate and present it to your national medical association for review.

Article Title:
Effects and Clinical Significance of GII.4 Sydney Norovirus, United States, 2012–2013

CME Questions

1. You are seeing a 30-year-old man for a 2-day history of acute gastroenteritis symptoms. Which would you consider regarding the epidemiology of norovirus infections as you evaluate this patient?

A. Noroviruses are the most common cause of epidemic gastroenteritis worldwide

B. Norovirus outbreaks are equally spread throughout the calendar year

C. Most norovirus outbreaks are caused by genotype GI.2

D. New norovirus strains inevitably lead to new outbreaks

2. What was the most common setting for infection with norovirus in the current study?

A. Day care center

B. Healthcare setting

C. School

D. Workplace

3. According to the current study, which of the following statements regarding norovirus outbreaks during the 2012–2013 season is most accurate?

A. The number of outbreaks was 5 times higher in 2012–2013 compared with previous years

B. Outbreaks occurred earlier in the year in 2012–2013 compared with previous years

C. Outbreaks were 50% longer in 2012–2013 compared with previous years

D. Genotype GII.4 Sydney accounted for far more outbreaks by February 2013

4. Which of the following statements regarding the clinical presentation and outcomes of norovirus infection in the current study is most accurate?

A. GII.4 Sydney was associated with a higher rate of vomiting and abdominal cramping compared with non-GII.4 Sydney infections

B. GII.4 Sydney was associated with a higher rate of fever compared with non-GII.4 Sydney infections

C. GII.4 Sydney was associated with a higher rate of outpatient visits compared with non-GII.4 Sydney infections

D. GII.4 Sydney was associated with a higher risk of mortality compared with non-GII.4 Sydney infections

Activity Evaluation

1. The activity supported the learning objectives.

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2. The material was organized clearly for learning to occur.

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3. The content learned from this activity will impact my practice.

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4. The activity was presented objectively and free of commercial bias.

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