Across
- 3. An organism in which a pathogen lives and reproduces.
- 7. Tiny particles released by coughing or sneezing that carry germs.
- 8. The presence of harmful substances or pathogens in food or water.
- 10. A microscopic organism, like a virus or bacterium, that causes disease.
- 12. The journey or process of a pathogen moving from one host to another.
- 13. An organism, typically an insect, that carries and transmits a pathogen.
- 14. Relating to the impact of a disease on the environment and ecosystems.
- 16. The insect vector responsible for transmitting the Black Death.
- 17. The rapid spread of an infectious disease within a specific region or community.
- 19. The total group of people affected by a disease in a territory.
- 20. Transmission where a pathogen travels via an intermediary like water or food.
Down
- 1. Relating to the organs and processes involved in breathing.
- 2. A sudden increase in the occurrences of a disease in a particular place.
- 4. A contaminated inanimate object, like a doorknob, that can spread infection.
- 5. The spread of disease from a pregnant person to their fetus or baby.
- 6. A disease outbreak that spreads across multiple countries or continents.
- 9. A type of vector where the pathogen completes part of its life cycle inside it.
- 11. Transmission that occurs through physical contact with no intermediate step.
- 15. The body's natural defense response against a foreign pathogen.
- 18. The natural world or surroundings influenced by biological events.