COVID-19 Control in the United States: The Case for MaskingByDennis G. Maki, MD,Scott M. Alter, MD,Joshua J. Solano, MD,Terry A. Adirim, MD,David L. DeMets, PhD,Richard D. Shih, MD,Charles H. Hennekens, MDMay 26th 2021In the control of COVID-19, the future perfect of the vaccine should not be the enemy of the present good, which is masking.