RT Journal Article SR Electronic T1 COVID-19 vaccination mandates increasing for health workers: Protecting patients, staff from disease JF The Nation's Health JO Nations Health FD American Public Health Association SP 1 OP 8 VO 51 IS 6 A1 Kim Krisberg YR 2021 UL http://www.thenationshealth.org/content/51/6/1.3.abstract AB