ISSN: 1080-6059
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1. Which of the following statements about the transmission of sylvatic epidemic typhus (ST) is most accurate?
A. It is most common in the southern United States
B. It has been established that transmission to humans occurs after arthropod bites
C. It is transmitted only by feces from flying squirrels
D. Contact with flying squirrels or their nests has been confirmed in only a minority of cases
2. What was the most likely common exposure to Rickettsia prowazekii in the current case series?
A. All case-patients had done extensive cave explorations
B. All case-patients lived in a cabin with flying squirrel nests in the walls
C. All case-patients had led daily nature walks through the surrounding woods
D. All case-patients had performed nature shows involving live animals
3. Which of the following symptoms and signs of ST was least evident in the current case series?
A. Rash
B. Fever
C. Headache
D. Malaise
4. Which of the following statements about the management of suspected ST is most accurate?
A. Treatment may begin without laboratory confirmation of infection
B. Serologic confirmation of infection is based on a 10-fold increase in immunoglobulin (Ig) G titers or more
C. IgM antibodies to R prowazekii always decrease rapidly following acute infection
D. PCR analysis for R prowazekii is now widely available
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Please contact the EID Editors at eideditor@cdc.gov
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
This page posted June 25, 2009
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