Hellow guys, Welcome to my website, and you are watching "75살 이상 고령자, 기저질환 있을수록 백신 접종해야" / YTN. and this vIdeo is uploaded by YTN at 2021-03-29T06:24:54-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
