Across
- 2. describing a desease that passes from person to person.
- 4. a living thing,too small to be seen without a microscope, that causes infectious disease in animals and humans.
- 5. occurence of a particular disease throughout a whole country or the world
- 7. to pass something to another person or animal.
- 9. illness, sickness.
Down
- 1. Indentification of an illness by examining the symptoms.
- 3. affected with a disease-causing organism.
- 4. a substance used to protect humans and animals from a disease.
- 6. a sudden spread of a disease.
- 8. a piece of fabric that covers the nose and mouth