Across
- 4. The invasion of the body by harmful microorganisms, often causing illness.
- 5. Steps taken ahead of time to reduce risk or prevent harm, especially in healthcare settings.
- 7. Single-celled organisms that can be helpful or harmful; some cause illness, others aid in digestion.
Down
- 1. Gear worn by healthcare workers to protect against exposure to hazards and contaminants.
- 2. A microscopic organism, especially a bacterium, virus, or fungus.
- 3. Microscopic agent that replicates only inside living cells and can cause diseases like the flu.
- 6. A bacterium, virus, or other microorganism that can cause disease.