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As mosquito season ramps up across Texas, health officials are warning residents to brace for increased mosquito activity and heightened risks of mosquito-borne diseases following recent severe storms.

With flooding and warm, humid weather creating ideal breeding grounds, experts say the threat is not just about annoying bites—it's about life-threatening viruses.

“Mosquitoes are the deadliest animals on the planet,” said Bethany Bolling, a mosquito virus expert with the Texas Department of State Health Services, in an interview with KXAN.

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Why Mosquito Populations Are a Public Health Crisis

While many associate mosquitoes with irritation, these tiny insects cause more than 700,000 deaths globally each year, according to the Centers for Disease Control and Prevention (CDC).

They spread devastating diseases, including:

• Malaria (over 600,000 deaths annually)
• West Nile virus
• Zika virus
• Dengue
• Chikungunya

“We've seen the weather changing over the years here in Austin, and as a result, we've seen mosquito seasons running longer than before,” said Marcel Elizondo, chief of Austin's Environmental Health Services division, in comments reported by the Austin American-Statesman.

What Environments Cause Dangerous Mosquito Viruses?

Mosquitoes flourish in hot, humid conditions and areas with standing water, both of which have become more common due to climate change and recent extreme weather in Texas.

The U.S. Environmental Protection Agency (EPA) warns that warmer temperatures can:

• Accelerate mosquito development
• Increase biting frequency
• Speed up disease incubation within the insect

This means mosquitoes aren’t just lasting longer—they’re spreading diseases faster and more effectively.

A report from Ars Technica even noted a Texas town considering curfews due to the spread of mosquito-borne illness.

What’s Being Done to Control Mosquitoes?

Austin Public Health has ramped up efforts to test breeding sites for viruses like West Nile, but residents are being urged to take personal precautions as well. Here’s how you can help:

• Eliminate standing water in buckets, plant saucers, clogged gutters, and toys
• Replace the water in bird baths weekly
• Fix leaking faucets or pipes
• Seal rainwater cisterns
• Use mosquito dunks—a safe larvicide for ponds or permanent water sources

Additionally, using EPA-registered insect repellents, wearing long-sleeved clothing, and staying indoors at dusk and dawn can help reduce your risk of being bitten.

A Long-Term Threat with a Changing Climate

The mosquito season’s expansion is a direct result of climate change’s impact on ecosystems and weather patterns. The intersection of global warming, urban flooding, and shifting rain cycles is intensifying an already deadly issue.