slum –n. a neighborhood were buildings are in bad condition and people are very poor
hot spot –n. a place where there is danger of infection or fighting
expose –v. to be affected by, to come in contact with something like a virus
symptom –n. a change that is evidence that a disease is present
density –n. the number of, for example, people in a limited area
fatality –n. a death that results from an accident, disease or disaster