Mae prifysgolion yng Nghymru eisoes wedi cytuno ar ddechrau graddol i'r tymor. Ni ddylai myfyrwyr ddychwelyd i brifysgolion ar gyfer dysgu wyneb yn wyneb hyd nes y cânt eu hysbysu y dylent wneud hynny.
Universities in Wales have already agreed a staggered start to term. Students should not return to universities for face to face learning until they are notified that they can do so.