Lots of buzzing; no positives
PRINCETON — Sixteen mosquito samples have been collected this year in Bureau and Putnam counties for West Nile Virus (WNV) testing, but none of those samples have tested positive for the disease.
Kurt Kuchle, director of health protection for the Bureau/Putnam County Health Department, said the local health department has caught a ton of mosquitoes this year and has tested about four batches a week, throwing away the extras. So far, there have been three negative tests from Putnam County and 13 negative tests from Bureau County.
Describing the testing process, Kuchle said pool testing is done by placing 50 mosquitoes in a test tube with three bebes and a grinding solution. The mixture is placed in a shaker with the bebes spinning and grinding the mosquitoes into a slurry. The slurry is centrifuged down to get just the liquid part, which is transferred with a pipette into another tube, where a test strip is placed into the liquid. A dark line will develop as a control, and if a second dark line develops, then it is a positive WNV test, Kuchle said.
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