Interactions between Microbes and Humans

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Across
  1. 2. An organism's potential to cause disease.
  2. 3. Enzymes secreted by microbes that break down and damage tissues.
  3. 5. The relative severity of a disease caused by a particular microbe.
  4. 6. The study of the frequency and distribution of disease and other health-related factors in defined populations.
  5. 10. The number of people who have a disease at a specified time, including both new and existing cases.
  6. 12. Cells that engulf and destroy pathogens using enzymes and antimicrobial chemicals.
  7. 14. Lipopolysaccharide (LPS) found in the outer membrane of gram-negative bacteria.
  8. 15. The habitat in the world from which a pathogen originates.
Down
  1. 1. A deviation from health that results when the cumulative effects of infection cause damage.
  2. 4. The sum total of all microbes found on and in a normal human.
  3. 7. The number of people who develop a disease during a particular time period.
  4. 8. Microbes get past host defenses, enter tissues, and multiply.
  5. 9. An individual or object from which an infection is acquired.
  6. 11. A microbe whose relationship with its host is parasitic and results in infection and disease.
  7. 13. Bacterial exotoxins that disrupt red blood cell membranes, causing the cells to burst.