outbreak – n. a sudden start or increase in fighting or disease

influenza – n. a common sickness caused by a virus

diminish – v. to cause to become smaller or less important

evolve – v. to change or develop slowly into something that is more complex

poultry – n. the meat of birds (most often describing chicken)

transit – n. related to moving people or things from one place to another

surveillance – n. the act of carefully watching activities of people especially in order to control crime or the spread of disease