Efallai y bydd rhaid i deithwyr dalu am brofion PCR cyn teithio ac mae rhai llywodraethau’n gofyn am dystiolaeth bod teithwyr wedi cael dos llawn o’r brechlyn cyn caniatáu iddynt ddod i mewn i’r wlad.
Travellers may have to pay for PCR tests before departure and some governments are requiring proof of full vaccination for travellers to be allowed into their country.