Mae atal coridorau teithio’n golygu y bydd rhaid i'r rhan fwyaf o bobl sy'n teithio dramor gael prawf cyn gadael a chwarantin pan fyddant yn dychwelyd i Gymru i sicrhau nad ydynt yn dod â’r coronafeirws adref gyda hwy.
Suspending travel corridors means that most people who are travelling overseas will now have to complete a pre-departure test and quarantine when they return to Wales to make sure they are not bringing coronavirus home with them.