Correction: an earlier version of this article said Kim Jong Un only appeared four times in March and April. It should have read April and May.

Kim Jong Un had as of Friday been absent from North Korean state media for three weeks, analysis by NK News’s sister site NK Pro showed, the North Korean leader’s second 21-day absence in a row amid ongoing rumors about his health.

Consecutive extended absences by a DPRK leader are rare, having taken place twice since the year 2000: once in the wake of the 9/11 attacks and once between two high-level summits with