Across
- 3. Mutations happen in the virus’s ______
- 4. Viral surface protein “N” stands for __________
- 5. Flu vaccines are made months in ______
- 8. Gradual genetic change in viruses is known as antigenic________
- 9. Type of virus with higher mutation rate (3 letters)
- 10. Sudden mixing of genetic material between viruses is known as antigenic ________
- 11. Viruses with lower mutation rates (3 letters)
Down
- 1. Scientists must ______ future virus strains
- 2. Viral surface protein “H” stands for __________
- 6. Mutation can reduce a drug’s ability to ______ on a virus
- 7. Many RNA viruses lack ______-reading ability
