First Ebola Case Reported in U.S.

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contagious- adj. able to be passed from one person or animal to another by touching or other means; easily spread

infected- adj. being sick with something that causes disease

symptoms-n. a sign that something, usually a disease, is present; “The patient showed symptoms of being infected with the virus.”

intensive-adj. very strong; extremely serious

concern-n. interest, worry about