“Rydyn ni wedi galw’n gyson am ddull gofalus o ymdrin â theithio rhyngwladol er mwyn atal ailgyflwyno coronafeirws i’r DU, yn enwedig amrywiolion newydd ac amrywiolion sy’n dod i’r amlwg, na fydd efallai’n ymateb i’r brechlynnau.
“We have regularly called for a careful approach to international travel to prevent coronavirus being re-imported into the UK, especially new and emerging variants which may not respond to the vaccines.