Across
- 2. The ability to ward off diseases through innate and adaptive immunity.
- 4. A continual source of infection.
- 5. immunity, defined as the resistance of a population to infectious disease due to the high level of vaccinated or immune individuals in that population.
- 6. The fraction of a population having a specific disease at a given time.
- 8. The lack of resistance to a disease.
- 9. period of time.
Down
- 1. The fraction of the population that contracts a disease during a
- 3. the percentage of vaccinated people required to achieve herd immunity in a population.
- 7. disease, A disease that is easily spread from one person to another.