pandemic – n. medical : an occurrence in which a disease spreads very quickly and affects a large number of people over a wide area or throughout the world

isolate – v. to set apart from others

widow – n. a woman who has lost her spouse or partner by death and usually has not remarried

potential – adj. a chance or possibility that something will happen or exist in the future

authority – n. the power to give orders or make decisions : the power or right to direct or control someone or something

exposure – n. the fact or condition of being affected by something or experiencing something : the condition of being exposed to something

contagious – adj. having a sickness that can be passed to someone else by touching
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