Volume 29, Number 1—January 2023
Research
Widespread Exposure to Mosquitoborne California Serogroup Viruses in Caribou, Arctic Fox, Red Fox, and Polar Bears, Canada
Table 3
Seroprevalence of California serogroup viruses in the western Hudson Bay polar bear population during 3 periods in study of widespread exposure to mosquitoborne California serogroup viruses in caribou, Arctic fox, red fox, and polar bears, Canada*
Years | Sample size | Prevalence, % (95% CI) | No. males | Prevalence, % (no.) | No. females | Prevalence, % (no.) |
---|---|---|---|---|---|---|
1986–1989 | 142 | 21 (13–26) | 67 | 18 (12) | 70 | 23 (16) |
1995–1998 | 149 | 36 (28–44) | 73 | 23 (17) | 76 | 47 (36) |
2015–2017 | 100 | 27 (19–36) | 47 | 17 (8) | 53 | 36 (19) |
*Repeat samples from bears were counted individually if bears were sampled between periods. Only one sampling was counted if bears were sampled multiple times within the same period. Sex was not determined for 5 bears.
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Page updated: December 21, 2022
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