SNHD - Press Release - First West Nile virus-positive mosquitoes identified in Clark County this season

IMMEDIATE RELEASE:

June 24, 2026

First West Nile virus-positive mosquitoes identified in Clark County this season

Public urged to "Fight the Bite"

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NOTE: Since the distribution of this news release, the Southern Nevada Health District has received notification of mosquitoes testing positive for West Nile virus in two additional ZIP codes: 89169 and 89139. With rainfall occurring across the valley today, the Health District is reminding residents to check for and eliminate standing water around their homes and properties to help reduce mosquito breeding sites.

The Health District’s weekly mosquito surveillance reports are available at www.southernnevadahealthdistrict.org/programs/mosquito-surveillance/arbovirus-update/.