Across
- 2. Method of disease transmission through the air
- 4. Method of disease transmission through breathing in infectious particles
- 7. Method of disease transmission through consuming contaminated substances
- 8. Living organism that carries and transmits a disease
- 9. Method of disease transmission through close contact
- 10. Type of immunity acquired without active exposure to a pathogen
Down
- 1. Inanimate object or surface that can transmit disease-causing pathogens
- 2. Man-made immunity
- 3. Not occurring through direct contact, as disease transmission
- 5. Type of immunity acquired through direct exposure to a pathogen
- 6. Form of immunity that occurs without artificial intervention