Abu Dhabi has introduced stricter entry rules that will come into force from Monday, February 1.
The decision comes after an increase in the number of Covid-19 cases in the country.
People with negative PCR tests taken within 48 hours will be allowed to enter the capital.
If they stay in the emirate for four days or more, they must take a PCR test on day 4 and day 8.
Entry is allowed into the emirate within 24 hours of receiving a negative DPI test result. DPI tests results are available within minutes.
But DPI tests cannot be used to enter Abu Dhabi on two consecutive occasions.
People who enter the capital after showing a negative DPI test and stay for more than 48 hours will have to take PCR test on day 3 of entry, and a second one on day 7, if they remain in the emirate for a week or more.
The rule applies to all UAE citizens and residents.
Volunteers in vaccine clinical trials and those vaccinated under the national vaccination programmes who have active icons (gold star or letter E) on Alhosn app are exempt.
Passengers who land in Abu Dhabi must have a negative PCR test result on arrival and must take a second PCR test on day 8. They must also quarantine for 10 days.
Travellers from green countries must be tested on arrival and on day 6, without the need to quarantine.
The countries currently on the green list are: Australia, Brunei, China, Greece, Greenland, Hong Kong, Malaysia, Mauritius, New Zealand, Saudi Arabia, Singapore, Taiwan, Tajikistan, Thailand, Uzbekistan and Vietnam.