Across
- 4. The occurrence, rate, or frequency of a disease, crime, or something else undesirable.
- 5. a type of white blood cell called lymphocytes
- 7. Can be spotty and appears to be somewhat related to severe the illness.
- 9. Hispanic
- 11. Natural killer cells work to attack and lyse infected body cells
- 12. They found previous infection was highly protective against reinfection with alpha
- 15. the severity or harmfulness of a disease or poison
- 17. a memeber of a large group of unicellular microogranisms
- 20. A disease which can be transmitted to humans from animals
Down
- 1. The fact or condition of being prevalent; commonness.
- 2. Around 2020 this new virus made the world quarantine
- 3. A lymphocyte not processed by the thymus gland
- 6. a widespread occurrence of an infectious diesase in a community
- 8. This vaccine helped lower cases of this virus
- 10. a wide spread occurrenece of an infectious dieasese over a whole conutry
- 13. Being a highly infectious disease, with a basic reproduction number between 2 to 3
- 14. the system that power your lungs with Air
- 16. Touching hands, objects or surfaces
- 18. This virus spreads from contact/Sneezes
- 19. a host organism in which an infectious agent