20200509_kcdc_%ec%83%9d%ed%99%9c%ec%86%8d%ea%b1%b0%eb%a6%ac%eb%91%90%ea%b8%b0_%ed%8f%ac%ec%8a%a4%ed%8a%b81%ed%8e%b8_%ea%b0%9c%ec%9d%b8%eb%b0%a9%ec%97%ad_%ec%88%98%ec%b9%99