9. a bacterium commonly found in the intestines of humans and other animals, some strains of which can cause severe food poisoning
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10. a serious infectious disease that causes the tissues around the brain and spinal cord to swell
11. to expel air as a reflex induced by an irritation in the nose
12. a sudden attack of disease; especially the physical manifestations (as sensory disturbances, or loss of consciousness) resulting from abnormal electrical discharge in the brain.
13. neither small nor large but between the two; clearly within the limits of a range of possibilities