Associated with mostly Culex species.
Incubation time in humans 5 – 15 days
Symptoms: Mild infections occur without apparent symptoms other than fever with headache. More severe infection is marked by headache, high fever, neck stiffness, stupor, disorientation, coma, tremors, occasional convulsions (especially in infants) and spastic (but rarely flaccid) paralysis.Case fatality 3% to 30 % (especially in the aged).
West Nile virus (WNV)
Associated with: Culex species
Incubation time in humans 3-15 days
Symptoms: fever, headache, body aches, skin rash (occasionally), swollen lymph nodes (occasionally) More severe: stiff neck, disorientation, stupor, tremors/convulsions, muscle weakness or paralysis.
1. Change water in animal watering troughs, bird baths, pet watering dishes, etc.
2. Repair water leaks, sprinkler systems or coolers that cause water to pond.
3. Remove vegetation and floating debris in and around ponds and stagnant swimming pools to limit breeding potential.
4. Fill in low spots, control the irrigation in your yard or pastures, and drain standing water from buckets and other containers that can collect water on your property.