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  1. Venomous Snakes at Work | Outdoor | CDC - Centers for Disease …

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

  3. Carbon Monoxide Poisoning Basics - CDC

  4. Carbon Monoxide (CO) Poisoning Fact Sheet - CDC

  5. Toxoplasmosis: Causes and How It Spreads - CDC

  6. Signs and Symptoms of Bird Flu in People | Bird Flu | CDC

  7. Appendix D: Guidelines for Animals in School Settings

  8. About Rabies | Rabies | CDC - Centers for Disease Control and …

  9. National Institute for Occupational Safety and Health (NIOSH)

  10. Safety Guidelines: Floodwater | Floods | CDC - Centers for Disease ...