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Event description
° The Bundibugyo virus disease (BVD) outbreak in the Democratic Republic of the Congo continued to intensify during the reporting period, with sustained transmission, increasing mortality, and ongoing geographic expansion within the country.
° The cumulative number of reported cases has exceeded the two previously documented Bundibugyo virus disease outbreaks, making this the largest outbreak caused by the Bundibugyo virus to date.
° Although no new cases have been reported outside the Democratic Republic of the Congo, persistent transmission in areas connected by major national and cross-border mobility corridors continues to sustain a high risk of regional spread.
° These epidemiological trends underscore the need for strengthened surveillance, cross-border collaboration, and preparedness to rapidly detect and contain any international spread.
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Situation interpretation
° The BVD outbreak in the Democratic Republic of the Congo continues to intensify despite the ongoing scale-up of response operations.
° The sustained increase in transmission and mortality indicates that the outbreak remains uncontrolled.
° Although transmission remains concentrated within a number of interconnected health zones, its continued expansion into adjacent areas suggests that current interventions have not yet been sufficient to reduce transmission intensity or halt the geographic spread of the outbreak.
° The persistently high proportion of community deaths, suboptimal contact follow-up, and critically weak IPC capacity indicate that many transmission chains continue to be detected too late to prevent onward spread.
° Although no international spread has been reported during the current reporting period, sustained transmission along major domestic and cross-border mobility corridors continues to pose a substantial risk of regional spread.
° Strengthening early case detection, community engagement, IPC, and coordinated cross-border preparedness remains critical to interrupt transmission and reduce the risk of further national and international spread.
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