Across
- 2. The reason why most people hate 2020
- 4. literally mean big eater and is essential for the work of the immune system
- 5. teaches the body's immune system about a specific virus.
- 7. started in animals, and now it is in humans
- 9. The study of viruses
Down
- 1. Considered the cleanup guys and produce antibodies
- 3. The study of controlling and managing the spread of disease
- 4. codes for proteins in the cell
- 6. The first step in covid-19 testing
- 8. Not alive but has genetic material