pandemic – n. an occurrence in which a disease spreads very quickly and affects a large number of people over a wide area or throughout the world
detect – v. to discover or notice the presence of (something that is hidden or hard to see, hear, taste, etc.)
isolate – v. to put or keep (someone or something) in a place or situation that is separate from others
trace – v. to follow (something) back to its cause, beginning, or origin; to find out where something came from
mobilize- v. to bring (people) together for action
live-stream – v. to broadcast (an event) on the internet as it happens
tough – adj. very difficult to do or deal with
scared – adj. frightened