West Nile Virus
The Centers for Disease Control and Prevention is calling 2012 the worst year for West Nile virus since 2004.
The Colorado Department of Agriculture says two cases of West Nile virus have been diagnosed in horses in Fremont and Weld counties, representing the first cases of the disease reported in horses in the state this year.
The West Nile Virus has been detected in four Colorado counties.
Mosquitoes infected with the West Nile virus have been found in three Colorado counties.
Health officials in southwestern Colorado report two new cases of West Nile virus.
West Nile Virus has been found in a pond in Lakewood.
Health officials are warning people to take precautions after mosquitoes tested positive for West Nile virus in southeastern Colorado.
Mosquitoes have tested positive for West Nile Virus in Boulder County.
Officials across Colorado are testing for West Nile Virus after monsoon rains have led to a spike in the mosquito population.
State officials are testing for West Nile virus after monsoon rains brought mosquitoes out in force.