Table 1. Standard definitions on vaccine distribution, prioritization, and administration provided to Delphi participants during Round I.

Category	Definition
Distribution	The acquisition, storage, and deployment of COVID-19 vaccines.
Prioritization	The order in which COVID-19 vaccines should be distributed to populations and geographical areas, and for special considerations for program implementation.
Administration	The actions and mechanisms that ensure COVID-19 vaccines are provided to the population safely and effectively.