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infectious diease

infectious disease any disease that is caused by an agent that has invaded the body
pathogen any agent that causes disease
bacteria tiny, single-celled organisms, some of which can cause disease
virus a tiny disease-causing paticle that consists of genetic material and a protein coat
fungus an organism that absorbs and uses nutrients of living or dead organisms
antibotic resistance a condition in which bacteria can no longer be killed by a particular antibiotic
inflammation a reaction to injury or infection that is characterized by pain, redness, and swelling
lymphatic system a network of vessels that carry a clear fluid called lymph through the body
white blood cells a blood cell whose primary job is to defend the body against disease
vaccine a substance usually prepared from killed or weakened pathogens or from genetic materialand that is introduced into a body to produce immunity
symptom a change that a person notices in his or her body or mind and that is caused by a disease or disorder
meningitis an inflammation of the membranes covering the brain and spinal cord
salmonellosis a bacterial infection of the digestive system, usually spread by eating contaminated food
hepatitis an inflammation of the liver
amebi dysentery an inflammation of the intestine caused by an ameba
Created by: sbe