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我应该担心加纳上西区的黄热病吗？

更新于 · 依据官方评估分级；此处内容不构成医疗建议。

加纳上西区黄热病 · 较高

如果您在受影响地区 无评估
No agency has published an assessment for people in Upper West Region for this outbreak. No outbreak-specific WHO notice or directly fetched Ghana government bulletin was available as of 15 October, and the official notices for Ghana are listed below.
如果您在同一国家或地区的其他地方 无评估
No agency has published an assessment for people elsewhere in Ghana for this outbreak. No outbreak-specific WHO notice or directly fetched Ghana government bulletin was available as of 15 October, and the official notices for Ghana are listed below.
如果您即将前往那里旅行 中
US CDC issued a Level 2 travel notice for Ghana on 16 October 2026, saying there is a yellow fever outbreak in the Upper West Region and travellers should take steps to prevent infection. That is a moderate assessment for travellers. 根据 US CDC
如果您在世界其他地方 中
WHO assessed the global risk from yellow fever as moderate on 24 June 2026 in its global yellow fever update. That is the clearest official assessment for people elsewhere in the world. 根据 WHO

正在发生什么

Media and authority-linked reporting say Ghanaian health authorities declared a yellow fever outbreak in Upper West Region in early October 2026. Wa West and Sissala West are the places most clearly linked to confirmed infection, and the response also covers Sissala East. Media report 3 confirmed cases and 3 deaths, both unverified. Suspected-case figures are unsettled: media reports cite 74 or 88 in Upper West, and 450 nationally since June, all unverified, while no outbreak-specific WHO notice or directly fetched Ghana government bulletin was available as of 15 October. Authorities reportedly activated national and regional emergency operations centres, deployed rapid response teams for case finding, surveillance and risk communication, and began a reactive vaccination campaign in Wa West, Sissala East and Sissala West from 14 October to 18 October targeting about 244,869 people.

谁会受影响以及如何传播

黄热病是一种由感染的日间叮咬蚊子传播的病毒感染，主要是埃及伊蚊、Haemagogus属和Sabethes属蚊子。WHO称该病毒主要在蚊子-灵长类动物循环中维持，偶尔溢出感染人类，尤其是在森林或农村环境中。埃及伊蚊存在于城镇时，传播可被放大，可能发生城市疫情。大多数感染不严重，但部分患者进入第二阶段，出现黄疸、出血、休克和器官衰竭，WHO称疫苗接种是预防和控制的主要手段。

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