Ebola di Kediri

http://m.tempo.co/read/news/2014/11/01/058618817/Pasien-Diduga-Terjangkit-Ebola-Juga-Ada-di-Kediri how come this guy who just returned from Liberia was not screened when he arrived in the indo airport. If he is ebola positive, the authority should check all people he contacted since returning from Liberia