Diseases and Public Health

4. one celled organisms that are pathogens
5. Any microorganism that causes diseases
6. drugs used to kill bacteria or slow their growth
8. the study of viruses, bacteria, protists, and some fungi
9. an outbreak of a disease that affects many people in an area
10. an epidemic that spreads throughout the world
13. a microscopic core of genetic material surrounded by a protein coating
15. contains a weakened or dead form of a pathogen
19. a round or spherical bacterium
20. these organisms are vectors for malaria, yellow fever, and West Nile Virus

1. A living thing that cannot be seen without a microscope
2. these are vectors for of Lime disease
3. an organism that lives on or in another organism as a source of food
7. an organism that transmits disease
11. these are not effective against viruses
12. these types of diseases can be passed from one organism to another
14. a bacterium that has a spiral shape
16. this is an example of disease by direct contact with the skin or mucous membranes
17. a rod-shaped bacterium
18. these include yeasts, molds, and mildews