resurgence – n. a growth or increase that occurs after a period without growth or increase
symbol – n. an action, object, or event that expresses or represents a particular idea or quality
phase – n. a part or step in a process
transmission – n. the act or process by which something is spread or passed from one person or thing to another
address(ing) – v. to deal with a matter, issue or problem
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