You are comparing being Somalian to an infectious disease.Could it possibly be that Somalians make Somalia an unsafe country, and as such Irish Immigration should be very vigilant about people coming from such an unsafe area?
I mean if it was an area where there was a high degree of Ebola that they were coming from, wouldn't you like our Immigration Department to take extra steps to ensure that our population weren't endangered?
Jesus wept...

) and partly because of other more sinister reasons.