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  1. Venomous Snakes at Work | Outdoor | CDC

    Aug 28, 2024 · Venomous Snakes at Work Key points Venomous snakes can be dangerous to outdoor workers. Although most people do not die from snake bites, there can be lasting …

  2. Reptiles and Amphibians | Healthy Pets, Healthy People | CDC

    Jan 30, 2025 · Reptiles and amphibians are more likely than other pets to carry harmful germs that can make people sick. Children under 5, adults over 65, and people with weakened …

  3. Fighting the World's Deadliest Animal | Global Health | CDC

    Aug 12, 2025 · The mosquito is the world’s deadliest animal. Spreading diseases like dengue, West Nile, Zika, chikungunya, malaria, and lymphatic filariasis, the mosquito kills more people …

  4. Working Safely Outdoors | Outdoor | CDC

    Nov 26, 2024 · Venomous wildlife and insects Venomous snakes, venomous spiders, scorpions, and stinging insects live throughout various geographic regions. They are especially …

  5. Venomous Spiders at Work | Outdoor | CDC

    Aug 29, 2024 · Overview Venomous spiders found in the United States include the black widow and the brown recluse. These spiders can be dangerous to outdoor workers. Spiders are …

  6. Poisonings, Envenomations, and Toxic Exposures During Travel

    Apr 23, 2025 · All 52 known species of sea snakes are venomous, and human deaths from bites have been reported. Sea snake bites are often painless or cause minimal pain but can be very …

  7. Safety Guidelines: Floodwater | Floods | CDC

    Feb 6, 2024 · Floodwater and standing water can be dangerous and can make you vulnerable to infectious diseases, chemical hazards, and injuries. Protect yourself and your loved ones from …

  8. Zoonotic Exposures: Bites, Scratches, and Other Hazards

    Apr 23, 2025 · For example, people coming from areas where dangerous reptiles are not present may not recognize the risk posed when they visit places where reptiles are venomous. …

  9. Guatemala and Belize | Yellow Book | CDC

    Apr 23, 2025 · Guatemala and Belize have 18 species of venomous snakes (e.g., coral snakes, various pit vipers, and the neotropical rattlesnake), with some bites posing a risk for serious …

  10. Mexico | Yellow Book | CDC

    Apr 23, 2025 · Scorpions, snakes, and other venomous wildlife Many harmful arthropods are endemic to Mexico, including widow (Latrodectus spp.) and recluse (Loxosceles spp.) spiders, …