Volume 13, Number 1—January 2007
Cryptococcus gattii Dispersal Mechanisms, British Columbia, Canada
|Tree-cutting activity||Sampling method||C. gattii concentration in air (CFU/m3)|
|Red alder||Douglas fir|
|Air; Andersen 6-stage*||381||2,073|
|Limb removal||Air; Andersen 6-stage||5,707||940|
|Air; Andersen 6-stage||3,622||1,279|
|Felling||Air; RCS-Plus,† 12–15 m above ground||906||294|
|Air; RCS-Plus, 12–15 m above ground||881||213|
|Cutting limbs||Air; RCS-Plus, 6 m above ground||750||1,719|
|Air; RCS-Plus, 6 m above ground||–||2,968|
|Cutting tree trunk||Air; RCS-Plus, 0–3 m above ground||21,250||225|
|Wood chipping||Air; RCS-Plus||53,125||21,250|
*Limit of detection of method: 6 CFU/m3.
†RCS, Reuter centrifugal sampler; limit of detection of method: 5 CFU/m3.
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