VOA慢速英语:Ebola Is Top Health Story for 2014

expose – v.  to not be shielded or protected from

panic – n. a state or feeling of extreme fear that makes someone unable to act or think normally; a situation that causes many people to become afraid and to rush to do something

quarantine – n. the situation of being kept away from others to prevent a disease from spreading

immune – adj. not capable of being affected by a disease