It is therefore up to other countries to ban flights from Liberia.
That said, Duncan did have a visa. We shouldn't be giving out those!
Saudi Arabia has banned travel to Mecca for the pilgrimage from countries affected by Ebola.
That would be Liberia, Sierra Leone, Guniea (not sure of Nigeria is included ).
Yup. This is "we have to do something!" grandstanding at its worst.