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deed - n. something that is done: an act or action
contact tracing - n. the practice of identifying, notifying, and monitoring individuals who may have had close contact with a person having a confirmed or probable case of an infectious disease as a means of controlling the spread of infection
quarantine - n. the situation of being kept away from others to prevent a disease from spreading
variant - n. different in some way from others of the same kind
attitude - n. the way you think and feel about someone or something
