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  • bitdays.co.kr/2021/09/02/%ec%86%90-%ec%84%b8%ec%b2%99-%ec%8b%9c%ec%9e%a5-%ec%84%b1%ec%9e%a5-covid-19-%ec%98%81%ed%96%a5-%eb%b6%84%ec%84%9d-%ec%97%b0%ea%b5%ac-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ec%82%b0%ec%97%85-%ea%b7%9c%eb%aa%a8/ (port 80)