Infection Control

4. An infective agent that typically consists of a nucleic acid molecule in a protein coat and is able to multiply only within the living cells of a host.
5. A member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus
6. Any of a group of spore-producing organisms feeding on organic matter
9. A substance used with water for washing and cleaning
11. A medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body
13. Prevalent over a whole country or the world.

1. Conditions or practices conducive to maintaining health and preventing disease
2. A covering for all or part of the face
3. An organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.
7. The state or quality of being resistant to a particular infectious disease
8. A bacterium, virus, or other microorganism that can cause disease.
10. Free from bacteria or other living microorganisms; totally clean
12. A physical or mental feature which is regarded as indicating a condition of disease