HOUSTON -

Several mosquitoes have tested positive for West Nile Virus in north Harris County.

According to Harris County Public Health and Environmental Services, mosquitoes tested positive in zip codes 77373, 77348, 77393 and 77520 last week.

Mosquitoes in Atascocita, Humble and Baytown tested positive for West Nile in June.

HCPHES mosquito control crews are spraying in affected and surrounding areas to combat the virus.