Across
- 5. - confidently aggressive or self-assured
- 7. - resistance to a particular disease
- 9. - protective face covering
- 10. - harshness or roughness in tone or manner
- 11. - invasion of the body by harmful pathogens
- 12. - isolation of a person or group to prevent the spread of disease
Down
- 1. - widespread disease
- 2. - personal protective equipment
- 3. - easily spread from one person to another
- 4. - substance that stimulates the immune system to protect against disease
- 6. - microscopic infectious agent
- 8. - characteristic sign of a medical condition
- 10. - shrewd