Maricopa County

Report Mosquito Activity

Contact information of Maricopa County Vector control

Complaint Line Phone Number: 602-506-6616

Complaint Form Link

Travel Awareness

Preventing mosquito bites both at home and when traveling is the best way to prevent Zika. Pregnant women should consider postponing travel to areas where Zika is circulating.

Local Resources

View current traps and fogging: Maricopa Mosquito Trap and Fogging Map

Mosquito-Borne Disease Surveillance

West Nile Virus Statistics 

Category 2015 2016 2017 2018 2019*
Positive Dead Birds 0 0  0  1  0
Positive Horses 1 0  0  2  1
Positive Mosquito Samples 97 95 228 138 352

Statistics provided by Environmental Services.
*Maricopa County Environmental Services Department's PCR testing results, as of July 17, 2019.

St. Louis Encephalitis Statistics 

Category 2015 2016  2017  2018  2019*
Positive Mosquito Samples 60 0 160 106 172

Statistics provided by Environmental Services.
* MCESD's PCR testing results, as of July 17, 2019.

Public Health Statistics on Human Cases

Find current human case counts and historical case counts of mosquito-borne diseases among Maricopa County residents.

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