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  1. Pathogen - Wikipedia

  2. What is a Pathogen? 4 Types and How They Spread Disease - Healthline

  3. Pathogens: Definition, types, diseases, prevention, and more

  4. Biological Agents - Overview | Occupational Safety and Health ...

  5. Introduction to Pathogens - Molecular Biology of the Cell - NCBI …

  6. Biological Hazards - Centers for Disease Control and Prevention

  7. Pathogen Definition and Examples - Biology Online Dictionary

  8. 15.2: How Pathogens Cause Disease - Biology LibreTexts

  9. Q&A: What are pathogens, and what have they done to and for us?

  10. Infectious agents and how they cause disease - Immunobiology