Infectious disease review

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Across
  1. 3. any molecule that can trigger an immune response in a host
  2. 4. transmissible from animals to humans
  3. 6. A living thing that carries pathogens from reservoirs to hosts
  4. 8. A larger organism that harbours a smaller organism (parasitic, mutualistic or commensalistic)
  5. 9. the body's first encounter with a specific antigen, leading to the activation of B and T lymphocytes and the production of antibodies and effector cells
Down
  1. 1. any entity that causes infectious disease
  2. 2. A parasite that lives within the host's tissues
  3. 5. Protein shell surrounding genetic material of a virus
  4. 7. a community of microorganisms attached to an inert or living surface by a self-produced polymeric matrix