local
West Nile found in mosquitoes in Costa Mesa and Westminster
By City News Service at NBC Los Angeles (KNBC)
· July 2, 2026
· 2 min read
Mosquitoes infected with West Nile virus have been found this week in Westminster and Costa Mesa, prompting officials to continue warning the public today to use insect repellant and take other steps this holiday weekend to avoid the pests.
“We are seeing a lot of mosquito activity in general...
Key takeaway “Now we have positive West Nile Virus infections in 10 cities.
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About this story
Original reporting by NBC Los Angeles (KNBC) . The Los Angeles surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
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Category: local ·
Published: July 2, 2026 ·
Source: NBC Los Angeles (KNBC) ·
Reading time: 2 min
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Frequently asked about this story
What is this story about? Mosquitoes infected with West Nile virus have been found this week in Westminster and Costa Mesa, prompting officials to continue warning the public today to use insect repellant and take other steps this holiday weekend to avoid the pests.
“We are seeing a lot of mosquito activity in general...
When was this published? This article was first published on July 2, 2026 by NBC Los Angeles (KNBC) and curated for The Los Angeles readers.
Who reported this story? This story was reported by City News Service at NBC Los Angeles (KNBC). To learn more about how The Los Angeles selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The Los Angeles, or browse our daily briefing and topic hubs .
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