From the Document: "The coronavirus and COVID-19 [coronavirus disease] are spreading across the United States and experts predict significant disruption to the U.S. health care system. With hospitals typically operating at or near 100 percent capacity - particularly during flu season - the availability of facilities, equipment, personnel, and supplies can be limited. Federal- and state-level declarations of emergency provide governors a broad range of authorities to assist the health care system in meeting the surge in demand. The following are a selection of actions that may be within a governor's authority in various instances and settings."
National Governors' Association
National Governors' Association: https://www.nga.org/