(c) Consultation The Secretary shall consult with the Director of the Centers for Disease Control and Prevention, the Director of the National Institutes of Health, and the heads of other agencies as appropriate regarding the design and selection of cloth face coverings to be provided under this section. (d) Authorization of appropriations To carry out this section, there are authorized to be appropriated such sums as may be necessary for fiscal years 2020 and 2021, to remain available until expended. 6. National Institutes of Health research on cloth face covering efficacy (a) In General The Director of the National Institutes of Health (in this section referred to as the Director ) shall conduct or support research on the efficacy of cloth face coverings, face shields, ventilators, and other facial coverings to reduce the spread of COVID–19. (b) Use of funds Research under this section may include— (1) research on the effect of wearing cloth face coverings on the spread of the virus that causes COVID–19