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1·All reported cases are concentrated in Yei and Juba towns of southern Sudan.

所有报告的病例都集中在苏丹南部的耶伊和朱巴镇。

2·The situation in Yei is stable and improving daily with the last reported case received on 20 March and only sporadic cases appearing in the town.

耶伊的情况稳定，并且每天都在改善，最后一次报告病例于3月20日收到并且在该镇只出现散在病例。