positive – adj. in a medical test, positive means the person being tested has a disease or condition

symptom – n. a sign or marker of something, such as disease

isolate – v. to put or keep (someone or something) in a place or situation that is separate from others

negative – adj. in a medical test, negative means the person being tested does not have a disease or condition

upcoming – adj. to happen soon

tourist – n. one who visits a place for pleasure

dose – n. the amount of a medicine or vaccine that is needed to be effective against disease
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