Cairo airport authorities 
started on Thursday applying a decision to allow Qatari nationals holding previous visas into Egypt.
The Qataris can get pre-visas from the Egyptian embassies abroad.
The Qatari nationals married to Egyptians or having Egyptian children, as well as Qatari students are exempted from this decision but they ought to get a three-month tourist visa in order to enter Egypt.

Source: Mena