Across
- 3. rapid ___ makes it difficult to develop a vaccine
- 5. children under the age of __ are more vulnerable to the virus
- 6. small ___ stranded virus
- 9. how many sides does it have?
- 10. what is the shell around the genetic material called?
Down
- 1. the virus is transmitted through ___ droplets
- 2. individuals should stay ___ if they are sick
- 4. how many nanometers is it in diameter?
- 7. strains identified by ____ sequence
- 8. keep surfaces ___ and disinfected