En Español: 970-255-5055
People with these symptoms
need to seek medical
- Only certain types of mosquitoes
transmit the virus.
- Most people will not become ill.
- Everyone is at risk, but people over 50
seem to be especially vulnerable to
severe forms of the disease.
Symptoms generally appear 3-14 days
- Most mild symptoms include: fever,
headache, body aches, and occasionally
rashes or swollen lymph nodes.
- This virus can cause serious illnesses
including encephalitis (swelling of the
brain) and/or meningitis (swelling of the
- Severe symptoms may include high
fever, severe headache, neck stiffness,
muscle weakness and tremors,
disorientation, convulsions and coma.
- Severe infections can result in
permanent brain damage or, in rare
cases, even death.
If you have questions about
WNV symptoms please call
The Centers for Disease Control and Prevention states the most effective insect repellents contain one of the following ingredients:
- Picaridin (KBR 3023)
- Oil of lemon eucalyptus [p-menthane 3,8-diol (PMD)]
General Considerations for Using
Products Containing DEET Safely:
Follow instructions on product label.
- Cover exposed skin or clothing. Don't apply
repellent under clothing.
- Do not apply repellent to cuts, wounds, or
- Wash treated skin with soap and water after
- Do not spray aerosol or pump products in
- Do not apply aerosol or pump products
directly to your face. Spray your hands and
then rub them carefully over the face,
avoiding eyes and mouth.
Choose a repellent based on how long you will be outdoors.
People hiking, camping, hunting and fishing need to take special precautions. Be prepared with insect repellent, protective clothing, mosquito netting and the shelter of your car or tent.
Limit time spent outdoors at dawn or
- Wear lightweight, long-sleeved shirts
and long pants while outdoors.
- Spray clothing with insect repellent
- Apply insect repellent sparingly to
exposed skin (35 percent DEET or 10
percent DEET or less for children).
- Always read and follow product
- Install or repair window and door
screens to keep mosquitoes out.
- Remove standing water where possible. **
- Check water in birdbaths, pots, pools, etc. weekly for mosquito larvae. Empty the water if they are present.
- Stock ornamental ponds, fountains and livestock water tanks with fish that eat mosquito larvae.
- Do not over water lawns and gardens.
** If standing water cannot be removed, treat it with Larvicide. This is a natural bacteria that kills larvae and it can be purchased at garden and home stores or feed and supply stores.
To issue a complaint or concern regarding standing water, please call the Health Department at (970) 244-3247.
standing water around the house weekly. This is where mosquitoes lay eggs, including: tires, cans, flowerpots, clogged rain gutters, rain barrels, toys and puddles.
DUSK & DAWN
are when mosquitoes that carry the virus are most active, so limit outdoor activities or take precautions to prevent mosquito bites.
is an effective ingredient to look for in insect repellents. Always follow label instructions carefully.
in long sleeves and pants during dawn and dusk or in areas where mosquitoes are active.
Mesa County Health Department will be
testing specific dead birds.
- Only crows, ravens, magpies and jays will be
considered for West Nile virus testing.
- To report a dead bird, please call the Mesa
County Health Department at (970) 248-6960.
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NASD does not represent NIOSH policy. Information included in
NASD appears by permission of the author and/or copyright holder.