Across
- 3. disease that spreads throughout the world
- 5. changes that occur in a new generation
- 7. Outer covering of virus
- 8. infectious disease that lives in a host
- 9. features that show a disease
- 11. viral RNA containers
Down
- 1. different form of something
- 2. outer part of virus that has spike proteins
- 4. 15th letter of greek alphabet
- 6. part of a virus that attaches to healthy cells
- 10. Ribonucleic acid, has information to make more virus