Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 인류 최악의 전염병 스페인 독감의 사망자가 많은 원인은?. That video is uploaded by 몰상식 at 2020-02-28T10:08:50-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [jtT46BXAID0]