Across
- 4. When the virus disease spreads worldwide, it is called...
- 5. The virus that infects bacteria
- 6. Biggest killer in human history
- 8. The system that fights infections in the body.
- 9. A protein found on lipoprotein coat that is compatible with receptor sites.
Down
- 1. The weakened microorganism or a virus injection.
- 2. Double-stranded genetic material
- 3. The protein coat of the virus.
- 7. A type of Nucleic acid found in Virus