▁caus ative ▁agent ▁of ▁both ▁p neum onia ▁and ▁men ing itis . ▁In ▁ 1 9 9 8 , ▁he ▁became ▁an ▁Ass istant ▁professor ▁at ▁Se oul ▁National ▁University ▁College ▁of ▁Medicine ▁in ▁the ▁Micro bi ology ▁department ▁and ▁in ▁ 2 0 1 0 , ▁became ▁a ▁full ▁professor . ▁From ▁ 2 0 0 1 ▁to ▁ 2 0 0 4 , ▁Se ong ▁worked ▁in ▁the ▁National ▁Institute ▁of ▁Health ▁Labor atory ▁of ▁Cell ular ▁and ▁M ole cular ▁Im mun ology ▁as ▁a ▁Research ▁Fellow . ▁In ▁ 2 0 1 2 , ▁he ▁became ▁the ▁Associ ate ▁Dean ▁for ▁Pl anning ▁of ▁Se oul ▁National ▁University ▁College ▁of ▁Medicine ▁and ▁since ▁his ▁appointment ▁in ▁ 2 0 1 3 ▁he ▁has ▁served ▁as ▁the ▁Director ▁of ▁W ide ▁River ▁Institute ▁of ▁Im mun ology . ▁ ▁Currently , ▁Se ong ▁serves ▁as ▁Associ ate ▁Dean ▁for ▁Gr adu ate ▁Study ▁and ▁Professor ▁of ▁Se oul ▁National ▁University ▁College ▁of ▁Medicine , ▁as ▁well ▁as ▁Editor ▁in ▁Chief ▁of ▁World ▁Journal ▁of ▁Im mun ology . ▁Additionally , ▁since ▁ 2 0 0 8 ▁he ▁has ▁acted ▁as ▁Director ▁of ▁R & D ▁Prom otion ▁for ▁the ▁Department ▁of ▁D ise ase ▁Research ▁– ▁Korea ▁Health ▁Indust ry ▁Development ▁inst itute . ▁ ▁Se ong ▁is ▁a ▁member ▁of ▁the ▁Korean ▁Society ▁for ▁Micro bi ology , ▁Korean ▁Society ▁for ▁Im mun ology , ▁American ▁Society ▁for ▁Micro bi ology , ▁and ▁American ▁Society ▁for ▁Im mun