FILE - In this Nov.4, 2017 file photo, the logo of the United Nations Educational, Scientific and Cultural Organisation (UNESCO) is seen during the 39th session of the General Conference at the UNESCO headquarters in Paris. While the U.S. president is calling for suspending patents on COVID-19 vaccines, experts at UNESCO are quietly working on a more ambitious plan: a new global system for sharing scientific knowledge that would outlast the current pandemic. (AP Photo/Christophe Ena, File)