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Volume 22, Number 12—December 2016
CME ACTIVITY - Synopsis

Investigation of and Response to 2 Plague Cases, Yosemite National Park, California, USA, 2015

Mary Danforth, Mark Novak, Jeannine Petersen, Paul S. Mead, Luke Kingry, Matthew Weinburke, Danielle Buttke, Gregory Hacker, James Tucker, Michael Niemela, Bryan Jackson, Kerry Padgett, Kelly Liebman, Duc Vugia, and Vicki L. KramerComments to Author 
Author affiliations: California Department of Public Health, Sacramento, California, USA (M. Danforth, M. Novak, G. Hacker, J. Tucker, M. Niemela, B. Jackson, K. Padgett, K. Liebman, D. Vugia, V. Kramer); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (J. Petersen, P. Mead, L. Kingry); National Park Service, El Portal, California, and Fort Collins, Colorado, USA (M. Weinburke, D. Buttke)

Main Article

Table 3

Summary of rodent trapping and seroprevalence of Yersinia pestis, by location, Yosemite National Park, August 5–October 22, 2015

Date Location Traps set, no. Rodents caught, no. Trap success, % Rodents tested, no. Y. pestis–positive rodents, no. Y. pestis seroprevalence, %
Aug 5 Crane Flat CG 160 11 6.9 11 1 9.1
Aug 25 Glacier Point 100 30 30.0* 27 2 7.4
Aug 25 Crane Flat CG 100 13 13.0* 13 0 0
Aug 25 Tamarack Flat CG 60 11 18.3* 11 1 9.1
Aug 26 Tuolumne Meadows 208 70 33.7* 68 3 4.4
Sep 24 Glacier Point 108 33 30.6 6 1 16.7
Oct 22 Yosemite Valley 175 34 19.4 28 0 0
Total All 911 202 22.2 164 8 4.9

*Trapping event included overnight hours, which extended the trapping period an additional 12–14 h. CG, campground.

Main Article

Page created: November 16, 2016
Page updated: November 16, 2016
Page reviewed: November 16, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position 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.
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