dallasnews.com
This was the scene in and around Sacramento back in 2005.
Over several summer nights, two Piper Aztec airplanes sprayed
insecticide, covering 222 square kilometers. They flew at 130 knots for
three to six hours, the altitude varying depending on whether there were
“tall towers and buildings.”
Our findings….indicate that aerial
application of pyrethrin in 2005 successfully disrupted the [West Nile
Virus] transmission cycle, and that this treatment was responsible for
an abrupt decrease in the number of human cases within treated areas
compared with that in the untreated area. These results provide direct
evidence that aerial spraying to control adult mosquitoes effectively
reduced human illness and potential deaths from WNV infection.”
Read more here: http://dallasmorningviewsblog.dallasnews.com/2012/08/why-rule-out-aerial-spraying-to-control-west-nile-virus.html/
No comments:
Post a Comment