In this June 30, 2021, file photo, staff of the Pyongyang Primary School No. 4 clean stairwells in Pyongyang, North Korea. There is no sign that North Korean leader Kim Jong Un has been inoculated against the coronavirus and his country hasn't received any foreign vaccines, South Korea's spy agency said Thursday, July 8, 2021. (Photo by Cha Song Ho/AP Photo)
|