PT - JOURNAL ARTICLE AU - Barna, Mark TI - Ethics at center of COVID-19 vaccine distribution debate: Prioritizing vulnerable populations DP - 2021 Apr 01 TA - The Nation's Health PG - 1--8 VI - 51 IP - 2 4099 - http://www.thenationshealth.org/content/51/2/1.1.short 4100 - http://www.thenationshealth.org/content/51/2/1.1.full SO - Nations Health2021 Apr 01; 51