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。
2
Isolated case — an individual who is the only member of his or her kindred affected by a genetic disorder, either by chance or by new mutation. See also sporadic.