Across
- 1. Act as insect vectors that carry a disease agent from its reservoir to humans
- 3. The presence of a living infectious agent on the body’s exterior surface, upon which a local reaction may be invoked
- 4. Cause diseases such as coccidioidomycosis, ringworm, and athlete’s foot
- 5. Agents multiply on the surface of the body without invoking tissue or immune response
- 7. The domain external to the host in which the agent may exist, survive, or originate
- 10. The capacity of the agent to cause overt disease in the infected host
- 13. An inanimate object laden with disease-causing agents
- 15. A living insect or animal involved with the transmission of a disease agent
- 16. The capacity of an agent to enter and multiply in a susceptible host and produce infection or disease
- 17. A genus of bacteria that can grow within cells
- 18. The medium that contains the agent
- 19. A person (or animal) who permits lodgment of an infectious disease agent under natural conditions
Down
- 2. The ability of the agent to survive adverse environmental conditions
- 6. The ability of the agent to induce antibody production in the host
- 8. Concerns the resistance of the host to a disease agent
- 9. Refers to an agent’s capacity to induce disease in the host
- 11. Infectious diseases that are potentially transmittable to humans by vertebrate animals
- 12. Refers to the capacity of the agent to produce a toxin or poison
- 14. Include intestinal parasites such as roundworms, pinworms, and tapeworms