The restrictions aim to curb spread of the virus.
United Kingdom, Tunisia, India, Iran and Pakistan remain on list of banned countries.
Discussions during the two-day visit to focus on Yemen war and economic and investment cooperation
Only Omanis over the age of 15 can undertake such work, according to the Sultanate's Ministry of Labour.
Arafat Day will be marked on July 19.
Travellers from abroad who have got both doses of an approved vaccine are also allowed to take domestic flights to the two cities.
The closure of commercial activities during the evening shall continue to take affect.
He fell off one of the mountains of Khasab.