Department Memorandum No. 2023-0006: Clarification on Department Memorandum 2022-0578 Reiterating Heightened Alert for COVID-19 Arrival Category: 2019-nCoV Interim Guidelines2019 nCoV UpdateDate: Friday, January 6, 2023Document Type: Department Memorandum No. 2023-0006File: dm2023-0006.pdf