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antibody – n. a substance produced by the body to fight disease
dose – n. the amount of a medicine, drug, or vitamin that is taken at one time
encouraging – adj. causing a hopeful feeling
outbreak – n. a sudden increase in the number of cases of a disease
cohort – n. a friend or someone you know
clinical – adj. related to a place where medical treatment is provided
scale – n. the size of something, especially when compared to something else
