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immunity - n. the power to keep yourself from being affected by a disease
check - n. the process of examining something to see if there is anything wrong
grateful - adj. showing thanks
dose - n. the amount of medicine
the envy of - phrase, something that causes someone to want it
scrutinize - v. to examine carefully and critically
reckless - adj. not showing proper concern about the possible bad results of your actions
priority - n. something that is more important than other things and need to be dealt with first
