Across
- 2. medical care given to a patient for an illness or injury
- 4. a disease that spreads across a large population of people, normally in a regional area.
- 8. a person with a disease that they can pass on to other organisms.
- 10. a preventive shot to yield immunity against a specific disease, usually employing a form of the disease agent in a weakened bacteria or viruses, to stimulate antibody production.
- 12. any disease that is caused by a pathogen.
- 14. any member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.
- 17. a disease that cannot be spread from one organism to another.
- 19. an epidemic that spreads more globally affecting a large geographical area.
- 20. microscopic living organisms, usually one-celled, that can be dangerous (cause infection) or beneficial (such as in fermentation and in decomposition).
Down
- 1. a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles
- 3. any organism or near life form that cannot be seen with the naked eye.
- 5. an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
- 6. a microbe that causes disease in an organism.
- 7. the action of stopping something from happening or arising
- 9. a particle consisting of DNA encased in a protein coat that must inject its DNA into a living cell in order to reproduce. A microbe that consists of nucleic acid enclosed within a protein shell that requires a living cell in order to reproduce. Scientists consider the virus to be not alive.
- 11. a chemical substance made by the body to help destroy an invading pathogen
- 13. any change that disrupts the normal function of one or more body systems.
- 15. an animal that carries and transmits a disease.
- 16. an organism whose cells contain a nucleus surrounded by a membrane
- 18. a group of medicines used to kill or slow the growth of bacteria that cause disease.