BOULDER, Colo. (CBS4) – The West Nile virus has been found in another area of Colorado.

Health officials confirm mosquitoes have tested positive for the virus in Boulder. The positive results came from traps located at Stazio softball fields and Christensen Park.

Mosquitoes infected with the virus have also been found in Denver, Jefferson, Larimer, Pueblo and Weld counties.

Officials are urging residents to use repellent and wear long-sleeve shirts and pants to protect themselves from the virus.

LINK: Colorado Department of Health’s West Nile Virus Page

Additional Information From The Colorado Department Of Public Health And Environment

To help prevent West Nile virus infection, follow the four D’s:

– DRAIN standing water around your house weekly. Remember to drain water from tires, cans, flowerpots, clogged rain gutters, rain barrels, toys and puddles.
– DUSK and DAWN are when mosquitoes are most active. Limit outdoor activities and take precautions to prevent mosquito bites during these times.
– DEET is an effective ingredient to look for in insect repellents. Always follow label instructions carefully.
– DRESS in long sleeves and pants in areas where mosquitoes are active.
For more information about West Nile virus, visit FightTheBiteColorado.com.