West Nile virus is turning up in more mosquitoes tested by the Nevada Department of Agriculture.
State agriculture officials say more mosquito pools have tested positive for West Nile virus in northern Nevada.
The Southern Nevada Health District is reporting its first cases of West Nile-positive mosquitoes so far this year, although no human cases of the illness have turned up in Clark County.
The Southern Nevada Health District has reported another case of West Nile.
Nevada health officials are urging residents to protect themselves from bug bites after mosquitoes in two ponds in Clark County and another in Lyon County tested positive for West Nile Virus.