跟进：世卫组织澄清未宣布尼日利亚埃博拉清零，首例患者撤往瑞士后尼国暂无确诊病例
世界卫生组织10月26日通过其官方渠道澄清，该组织并未宣布尼日利亚已经摆脱埃博拉；尼日利亚在首例患者医疗撤离至瑞士之后，目前没有确诊的埃博拉病例。尼日利亚卫生部长 Muhammad Ali Pate 表示，如无新的确诊或疑似病例出现、并经尼日利亚疾病控制与预防中心及世卫组织确认，本轮疫情最早可于12月7日宣布结束。
本轮疫情的首例患者为一名42岁瑞士籍女子，感染本迪布焦型埃博拉病毒，曾到访乌干达，于10月20日在尼日利亚首都阿布贾被尼日利亚疾控中心确诊，10月26日与其丈夫一同医疗撤离至瑞士。尼日利亚境内有52名接触者正接受监测，其丈夫由瑞士当局监测。
世卫组织说明，宣布疫情结束须在最后一名确诊患者两次检测阴性或被撤离之后，启动42天倒计时（相当于21天潜伏期的两倍），其后还要加强监测。此次混淆源于世卫组织非洲区域主任 Mohamed Janabi 的一则帖子，世卫组织已要求刊发「尼日利亚埃博拉清零」标题的媒体撤回并更正报道。
尼日利亚疾控中心继续对接触者进行监测，42天倒计时自首例患者撤离之日起算。
Follow-Up: WHO Clarifies It Has Not Declared Nigeria Ebola-Free After Index Patient's Evacuation to Switzerland
The World Health Organization clarified through its official channels on October 26 that it has not declared Nigeria Ebola-free. Nigeria currently has no confirmed case of Ebola following the medical evacuation of the index patient to Switzerland. Nigeria's Health Minister, Muhammad Ali Pate, said December 7, 2026 is the earliest possible end date, if no new confirmed or probable cases emerge and the Nigeria Centre for Disease Control and Prevention (NCDC) and WHO validate the count.
The index patient is a 42-year-old Swiss woman infected with the Bundibugyo strain of Ebola. She had travelled from Uganda, was confirmed by the NCDC in Abuja on October 20, and was evacuated to Switzerland with her husband on October 26. Fifty-two contacts are under monitoring in Nigeria, while her husband is monitored by the Swiss authorities.
WHO explained that declaring an outbreak over requires a 42-day countdown, twice the 21-day incubation period, starting after the last confirmed patient tests negative twice or is evacuated, followed by a period of heightened surveillance. The confusion followed a post by WHO Regional Director for Africa Mohamed Janabi, and WHO called on the outlet behind the 'Ebola-free' headline to retract and correct it.
The NCDC continues to monitor contacts in Nigeria, and the 42-day countdown runs from the date of the index patient's evacuation.
来源：GSM·美国（原文链接）
图片来源：尼日利亚拉各斯的天际线。Clara Sanchiz 摄，CC BY-SA 2.0，经 Wikimedia Commons。 / The Lagos skyline, Nigeria. Photo by Clara Sanchiz, CC BY-SA 2.0, via Wikimedia Commons.
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