RT Journal Article SR Electronic T1 Strain of pandemic harms mental health of public health workers: CDC survey reports high stress levels JF The Nation's Health JO Nations Health FD American Public Health Association SP 1 OP 18 VO 51 IS 7 A1 Kim Krisberg YR 2021 UL http://www.thenationshealth.org/content/51/7/1.1.abstract AB