Across
- 3. any molecule that can trigger an immune response in a host
- 4. transmissible from animals to humans
- 6. A living thing that carries pathogens from reservoirs to hosts
- 8. A larger organism that harbours a smaller organism (parasitic, mutualistic or commensalistic)
- 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. any entity that causes infectious disease
- 2. A parasite that lives within the host's tissues
- 5. Protein shell surrounding genetic material of a virus
- 7. a community of microorganisms attached to an inert or living surface by a self-produced polymeric matrix