RT Journal Article SR Electronic T1 Already-strained US public health workforce grapples with COVID-19: Despite resource gaps, workers fight on JF The Nation's Health JO Nations Health FD American Public Health Association SP 1 OP 12 VO 50 IS 4 A1 Kim Krisberg YR 2020 UL http://www.thenationshealth.org/content/50/4/1.2.abstract AB