Mosquitoes in two areas of Weld County have tested positive for West Nile virus, though no human cases have yet been reported in the county.

Three college students are spending their summer as interns with the Will County Health Department in Joliet to help test mosquitoes for the West Nile virus.

Mosquitoes in two Weld County zones have tested positive for West Nile Virus, though no human cases have been reported yet. Health officials urge precautions as mosquito activity increases with the summer heat.