The number of West Nile Virus cases so far this year has already more than doubled last year's total.
As of July 19, a total of 57 human cases of the West Nile Virus have been discovered across Maricopa County so far this year.
Of those 57 cases, 34 have been confirmed, while 23 of the cases are labeled as "probable."
Earlier this year, officials recorded the first West Nile Virus death in Maricopa County.
In all of 2018, Maricopa County saw a total of 24 human West Nile Virus cases.
For more information on county mosquito traps and preventative fogging efforts, take a look at the Maricopa County's mosquito management map.
In an attempt to quell its population, scientists in Tucson are working to develop a so-called birth control for mosquitoes.