Volume 22, Number 12—December 2016
CME ACTIVITY - Synopsis
Investigation of and Response to 2 Plague Cases, Yosemite National Park, California, USA, 2015
Table 4
Summary of Yersinia pestis–positive samples, Yosemite National Park, August 5–October 22, 2015*
Location and date | Species | Sample type (titer or test) | Sequence identification no. |
---|---|---|---|
Crane Flat CG | |||
Aug 5 | California ground squirrel | Serum (titer 1:64) | NA |
Aug 5 |
California ground squirrel |
Flea pool (DFA, PCR, wgMSLT) |
CA15-3230 |
Tuolumne Meadows | |||
Aug 10 | Golden-mantled ground squirrel | Carcass (DFA, PCR, wgMSLT) | CA15-3265 |
Aug 10 | Golden-mantled ground squirrel | Carcass (DFA, PCR, wgMSLT) | CA15-3266 |
Aug 11 | Chipmunk (species unknown) | Carcass (PCR ) | NA |
Aug 12 | Golden-mantled ground squirrel | Carcass (DFA, wgMSLT) | CA15-4410 |
Aug 14 | Chipmunk (species unknown) | Carcass (DFA, culture) | NA |
Aug 17 | Lodgepole chipmunk | Carcass (DFA, PCR, culture) | NA |
Aug 26 | Douglas squirrel | Carcass (DFA, PCR, wgMSLT); flea pool (PCR ) | CA15-4491 |
Aug 26 | Lodgepole chipmunk | Carcass (DFA, PCR, wgMLST); flea pool (PCR) | CA15-4493 |
Aug 26 | Lodgepole chipmunk | Serum (1:1,024) | NA |
Aug 26 | Lodgepole chipmunk | Serum (1:512) | NA |
Aug 26 | Lodgepole chipmunk | Serum (1:128) | NA |
Aug 26 | Deer mouse | Flea pool (PCR ) | NA |
Sep 6 | Chipmunk (species unknown) | Carcass (PCR ) | NA |
Sep 8 |
Chipmunk (species unknown) |
Carcass (PCR ) |
NA |
Glacier Point | NA | ||
Aug 25 | California ground squirrel | Serum (1:64) | NA |
Aug 25 | Lodgepole chipmunk | Serum (1:128) | NA |
Sep 24 |
Lodgepole chipmunk |
Serum (1:4,096) |
NA |
Tamarack Flat CG | |||
Aug 25 | California ground squirrel | Serum (1:128) | NA |
*Samples analyzed by wgMLST were cultured first. CG, campground; DFA, direct fluorescence antibody; NA, not applicable because sequencing was not performed; wgMLST, whole-genome multilocus sequence typing.