Communicable Disease

5. a global outbreak of an infectious disease
8. a disease that is spread from one living organism to another or through the environment
12. a piece of genetic material surrounded by a protein coat
13. substance that kill cells or interfere with their functions
15. an infection of the lungs in which the air sacs feel with infection and other fluids
17. a network of cells, tissues, organs, and chemicals that fights off pathogens
18. a condition that occurs when pathogens in the body multiply and damage body cells
19. scarring of the liver
20. the passage way that makes breathing possible
21. disease outbreak that effects many people in the same place at the same time

1. the yellowing of the skin and eyes
2. a reaction to tissue damage caused by injury or infection
3. single-celled microorganisms
4. a preparation of dead or weakend pathogens that are introduced into the body to stimulate an immune response
6. plant like organisms that can cause diseases of the lungs, mucous membranes, and the skin
7. an organism that carries and transmits pathogens to humans or other animals
9. communicable diseases whose occurrence in humans has increased within the past two decades or threatens to increase in the near future
10. substances that trigger an immune response
11. the lining of various body cavities, including the nose, ears, and mouth
14. a state of being protected against a particular disease
16. a protein that acts against a specific antigen