Communicable Disease

1. communicable diseases whose occurence in humans has increased within the past two decades or threatens to increase in the near future
6. infection of the lungs in which the air sacs fill with infection and other fluids
7. state of being protected against a particular disease
9. yellowing of the skin and eyes
11. protein that acts against a particular disease
13. substances that kill cells or interfere with their functions
14. passage way that makes breathing possible
15. scarring of the liver
16. organism that carries and transmits pathogens to humans or other animals
17. Network of cells,tissues,organs, and chemicals that fights off pathogens
18. disease that is spread from one living organism to another or through the environment

2. condition that occurs when pathogens in the body multiply and damage body cells
3. outbreak that effects many people in the same place and at the same time
4. substances that can trigger an immune response
5. reaction to tissue damage caused by injury or infection
8. lining of the various body cavities, including the nose, ears, and mouth
10. global outbreak of an infectious disease
12. single celled microorganisms
16. preparation of dead or weakened pathogens that are introduced into the body to stimulate and immune response