Across
- 5. A blood serum containing antibodies against specific aantigen
- 7. the changing of the structure of a gene
- 8. the period between first exposure to an infection and when the symptoms first start to appear
- 9. When a virus is used as a weapon in war
Down
- 1. when something turns into thin air
- 2. An organism which first carriers a virus and spreads it, can not get sick from the virus
- 3. a disease or poison which is extremely severe or harmful in its effects
- 4. An area in which has been effected severely by a virus
- 5. a blood protein produced in response to and counteracting a specific antigen
- 6. To completely wipe out a population using warfare methods