Mosquito
Activity on the Rise
As a result of the recent precipitation
followed by hot and dry conditions, the number of
culex
mosquitoes (type of mosquito that can carry West Nile Virus)
has been on the rise. Before last week, there were two positive
mosquito pools in Boulder County.
Recently, however, two more mosquito
pools have tested positive in the county. The increase in the number
of culex mosquitoes and the addition of two recent
positive mosquito pools could be a warning sign of potential increased
human infection.
People have been concerned about the number of
mosquitoes and other indicators of risk of contracting West Nile virus
(WNV), such as the locations of culex mosquitoes
and mosquitoes that have tested positive for WNV.
Mosquito
activity (including positives) and the current number of infected
humans are not concentrated in one specific area; therefore, it is
crucial that people continue to be vigilant in protecting themselves
from mosquito bites. Even when you are in the comfort of your own
backyard, you are still at risk for infection.
Taking personal
precautions, such as using mosquito repellent containing DEET or
2% soybean oil, during those summer barbeques and parties is as
important as when you are out for a morning and/or evening walk or
hike.
The graph below follows the trend in the number
culex mosquitoes from the early part of the summer through the
recent increase. This does not indicate positives; rather, it
illustrates the trend in the number of culex mosquitoes throughout the
summer. Most importantly, the graph indicates that there is still
risk for infection.
The threat of
West Nile virus still exists, so following the 4 Ds is
imperative.
The 4 Ds
are as follows:
- DEET – use DEET enhanced insect repellant.
- Dress – dress in long sleeves and pants..
- Dusk to Dawn – avoid the outdoors from dusk until dawn.
- Drain – drain standing water outside your home.
For more information about West Nile virus, mosquito activity in
Boulder County, or steps to take to protect yourself and loved ones:
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