Caniatawyd i deithio rhyngwladol ailddechrau ar 17 Mai ond mae rheolau caeth yn parhau mewn ymateb i bryderon am ymddangosiad a lledaeniad amrywiolynnau o’r coronafeirws ar draws y byd. Mae’r rheolau hyn yn golygu bod teithio rhyngwladol yn wahanol iawn i fel yr oedd cyn y pandemig.
International travel re-started on May 17 but strict rules are in place, in response to concerns about the emergence and spread of variants of coronavirus around the world. These rules mean international travel is very different to how it was pre-pandemic.