As a result of an increase in corona cases , the wilayat of Muttrah was isolated in April 2020 .
Al Nahda Hospital to suspend outpatient appointments , Oman Observer , 1 April 2020 The Sultan 's Armed Forces ( SAF ) and Royal Oman Police ( ROP ) also started to enforce joint checkpoints on the roads linking the entrances and exits of the Sultanate 's governorates the same day .