Mae ein penderfyniad i symud Portiwgal (gan gynnwys Madeira a’r Azores) i’r rhestr oren yn dilyn cynnydd mewn pryderon am ledaeniad amrywiolion o’r coronafeirws sy’n peri pryder, gan gynnwys mwtaniad o amrywiolyn Delta, a’r risg o ddychwelyd â’r rhain i’r DU pe na fyddai angen i bobl dreulio amser mewn cwarantin.
The decision to move Portugal (including Madeira and the Azores) to the amber list follows increased concern in the spread of variants of coronavirus, including a mutation of the Delta variant, and the risk that is posed of bringing these back to the UK if people are not required to quarantine.