Herd Immunity (mainly...)

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Across
  1. 3. When a pathogen invades the body
  2. 4. The average number of 'secondary infections' caused by an infected individual
  3. 8. These are used by lymphocytes to detect the presence of foreign cells
  4. 10. The passing of a pathogen from one person to another
  5. 12. The total number of individuals in the same species in a given area in a given time
  6. 13. When a certain percentage of a population is immune to a disease and transmission in impeded
  7. 14. When our body is able to destroy an infection before it causes us harm
Down
  1. 1. Immune response that makes large quantities of antibodies rapidly
  2. 2. When different factors are linked together (they depend on each other)
  3. 5. Enzymes are released from these structures by phagocytes to destroy pathogens
  4. 6. Artificially inducing immunity
  5. 7. Responds to broad groups of pathogens (phagocytes)
  6. 9. A disorder of structure or function that has a cause and symptoms (an absence of health)
  7. 11. Responds to specific types of pathogens