Mosquitoes carrying West Nile virus found in Fresno

Mosquitoes carrying the West Nile virus were discovered in southeast Fresno, local mosquito abatement and Fresno County Public Health officials announced on Friday.

Staff with the Consolidated Mosquito Abatement District informed local public health officials that samples of West Nile virus-positive mosquitoes were found during work in the 93727 zip code – located in southeast Fresno.

Incidents of West Nile virus infection in humans are common in the San Joaquin Valley, due to mosquito migration in the early summer months.

Thus far, no reports of human infection have been reported for 2021.

Mosquito abatement officials warn residents to prevent mosquito bites and infestation by following the “Three Ds”:

  • Deter mosquitos by using repellents such as DEET, picaridin, oil of lemon eucalyptus, or IR3535
  • Dawn and Dusk awareness. Mosquitoes typically bite early in the morning and evening, so wear appropriate clothing and repellent during these windows.
  • Drain standing water, including emptying flowerpots, old tires, buckets, or other containers. Properly maintain your swimming pool and report local mosquito or vector control agencies if you know of a pool not being properly maintained.

You can find your local mosquito abatement district at

Staff reports from The San Joaquin Valley Sun staff.