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Volume 21, Number 11—November 2015
Research

Climatic Influences on Cryptococcus gattii Populations, Vancouver Island, Canada, 2002–2004

Christopher K. UejioComments to Author , Sunny Mak, Arie Manangan, George Luber, and Karen H. Bartlett
Author affiliations: Florida State University, Tallahassee, Florida, USA (C.K. Uejio); British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada (S. Mak); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A. Manangan, G. Luber); The University of British Columbia, Vancouver (K.H. Bartlett)

Main Article

Table 4

Association between weather and the first Cryptococcus gattii sample in study areas, Vancouver Island, British Columbia Canada, 2002–2004*

Swab sample‡
Intercept 10.31 2.45 5.42 to 15.19 <0.001
Weekly wind speed, m/s 0.76 0.26 0.24 to 1.28 0.003
Average weekly temperature, °C −1.23 0.20 −1.63 to −0.82 <0.001
Monthly solar radiation, watts/m2, centered 6.25 1.34 3.58 to 8.93 <0.001
Mar−May vs. Nov−Feb 0.92 1.18 −1.43 to 3.27 0.435
Jun−Jul vs. Nov−Feb 2.77 1.70 −0.63 to 6.17 0.103
Aug−Oct vs. Nov−Feb 1.24 1.28 −1.31 to 3.80 0.332
Cedar (western red, yellow) vs. alder −1.00 1.12 −3.24 to 1.25 0.374
Fir (Douglas, other) vs. alder −0.55 0.72 −2.00 to 0.89 0.444
Garry Oak vs. alder 0.94 0.90 −0.85 to 2.73 0.296
Maple vs. alder 0 0.85 −1.69 to 1.71 0.997
Other vs. alder −0.61 0.98 −2.55 to 1.35 0.534
Pine vs. alder −1.70 1.46 −4.61 to 1.21 0.243
Proportion of C. gattii–positive samples previous mo 2.21 0.89 0.43 to 3.98 0.013

*Determined by generalized linear and mixed effect model.
†116 samples, 7 study areas, Akaike Information Criterion = 194.7.
‡254 samples, 6 study areas, Akaike Information Criterion = 180.7.

Main Article

Page created: October 16, 2015
Page updated: October 16, 2015
Page reviewed: October 16, 2015
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