Ethical and policy considerations for COVID-19 vaccination modalities: delayed second dose, fractional dose, mixed vaccines

by Sonali Kochhar, Anant Bhan, Prakash Ghimire, Caesar Atuire, Jonathan Wolff, Ezekiel Emanuel, Ruth Faden, Dirceu Greco, Calvin W L Ho, Surie Moon, Owen G Schaefer, Jerome Amir Singh, Maxwell J Smith, Beatriz Thomé, Aissatou Touré, Ross Upshar
Published 2021-05-01