On Dec. 22, 2020, the ACIP updated interim vaccine allocation recommendations. In Phase 1b, COVID-19 vaccine should be offered to persons aged =75 years and nonﾖhealth care frontline essential workers, and in Phase 1c, to persons aged 65ﾖ74 years, persons aged 16ﾖ64 years with high-risk medical conditions, and essential workers not included in Phase 1b.