The World Health Organization said Wednesday that the risk of a global Ebola outbreak is low, though regional risk remains high.

This assessment comes as health officials struggle to contain the virus in Central Africa without a targeted medical countermeasure. The lack of a specific vaccine for the current strain increases the pressure on containment efforts to prevent the virus from crossing borders.

Reports indicate that approximately 600 people have shown symptoms [2] and 139 deaths have been recorded [1]. The outbreaks are concentrated in the Democratic Republic of Congo and Uganda.

Director-General Dr. Tedros Adhanom Ghebreyesus addressed the international community regarding the current situation. "The risk of a global spread remains low, although the risk at country and regional levels remains high," Tedros said.

Medical experts confirmed that the current outbreak involves the Bundibugyo strain. A WHO spokesperson said there is currently no specific vaccine or therapeutic for the Bundibugyo strain [2].

Efforts to adapt existing vaccines are underway, but the process requires significant time. A WHO vaccine-development lead said it will take at least six months before an adapted vaccine can be deployed [3].

Until that time, the WHO continues to monitor the situation in the Democratic Republic of Congo and Uganda to ensure the regional threat does not escalate into a wider international emergency.

The risk of a global spread remains low, although the risk at country and regional levels remains high.

The six-month gap in vaccine availability creates a critical window of vulnerability for the Democratic Republic of Congo and Uganda. Because the Bundibugyo strain evades current specific therapeutics, the WHO must rely on traditional containment and contact tracing to prevent a regional surge that could eventually challenge the 'low' global risk assessment.