Across
- 3. a disease-causing bacterium
- 5. a bacterium, virus, or other microorganism that can cause disease
- 7. a microorganism, especially one which causes disease
- 9. a substance used to stimulate immunity to a particular infectious disease or pathogen, typically prepared from an inactivated or weakened form of the causative agent or from its constituents or products
- 10. an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host
Down
- 1. a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease
- 2. a microscopic organism, especially a bacterium, virus, or fungus
- 4. a medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms
- 6. a disorder of structure or function in a human, animal, or plant, especially one that has a known cause and a distinctive group of symptoms, signs, or anatomical changes
- 8. increase or cause to increase greatly in number or quantity