Across
- 4. A serum with antibodies to help fight the virus
- 8. The first infected with the virus
- 9. The original carrier of the virus, who has the antibodies
- 10. A period of time between the time a patient was exposed, and when symptoms occur
Down
- 1. Biological substances that are a hazard or threat to living organisims
- 2. The name of the virus
- 3. A way the virus travels, typically throughout the air
- 5. The capability of someone to cause death
- 6. A virus that spreads just in a country
- 7. A strain of the virus, typically new