Jan 10, 2021 FILE â In this April 18, 2020 file photo partitions are installed between beds as work is performed to turn Sleep Train Arena into a 400-bed emergency field hospital to help deal with the coronavirus, in Sacramento, Calif. The state has reopened the arena and other facilities to help handle a new surge of coronavirus patients, but is using little more than a handful of volunteers from Gov. Gavin Newsom's California Health Corps who originally helped staff the facility. (AP Photo/Rich Pedroncelli, File) SACRAMENTO, Calif. (AP) — California desperately needs more medical wor...