Health Terms

4. — Microscopic, single-celled organisms; some can cause disease.
6. — An epidemic that spreads across many countries or around the world.
8. — A single-celled microorganism; some bacteria can cause disease.
9. — The process of spreading a disease from one person, animal, or source to another.
10. — A person, animal, or environment where a pathogen normally lives and can multiply.
12. — A disease that can spread between animals and humans.
14. — The number of new cases of a disease that occur in a population during a certain period of time.
15. — The total number of people who have a disease in a population at a certain time.
19. — A disease that is regularly found in a particular area or population.

1. — When a pathogen enters the body and begins to grow or reproduce.
2. — A living organism, such as a mosquito or tick, that spreads a disease-causing pathogen.
3. — A microorganism that can cause disease.
5. — A tiny infectious agent that enters living cells and uses them to reproduce.
6. — Describes an organism that lives on or inside another organism and gets nutrients from it.
7. — A treatment that helps protect a person from a specific disease by training the immune system to recognize and fight it.
11. — A sudden increase in the number of disease cases in a particular area or population.
13. — An organism such as mold or yeast that can sometimes cause infections.
16. Santacruz- Does wrestling for rutherford
17. — The study of how diseases spread, occur, and affect groups of people.
18. — A type of bacteria that usually spreads through infected ticks, fleas, lice, or mites.