WHO Warns Ebola Vaccine Could Take Nine Months as Outbreak Spreads

What happened

The World Health Organization (WHO) has cautioned that a vaccine for the ongoing Ebola outbreak in Central Africa could be nine months away. WHO chief Dr. Tedros Adhanom Ghebreyesus confirmed that while the situation is a public health emergency of international concern, it has not yet reached the level of a global pandemic. Currently, the WHO assesses the risk of the epidemic as high at the national and regional levels but low globally.

What's new in this update

Two candidate vaccines against the Bundibugyo species are in development, but according to WHO advisor Dr. Vasee Moorthy, neither has yet undergone clinical trials. This specific species of Ebola has not been seen for more than a decade, presenting unique challenges compared to the more common Zaire species. Confirmed cases have now spread beyond the initial epicentre in the DR Congo to the Ugandan capital, Kampala.

Key details

There are currently 600 suspected cases and 139 suspected deaths, though officials expect these numbers to rise due to detection delays. In the DR Congo, 51 cases are confirmed across the Ituri and North Kivu provinces. Local health facilities are reporting critical shortages of space and protective equipment, with Medecins Sans Frontieres (MSF) warning that some units are already full of suspected cases. The UK’s £20 million contribution is intended to fund infection control and support for frontline workers.

Background and context

Ebola was first discovered in 1976 and is thought to spread to humans from bats through direct contact with bodily fluids. The Democratic Republic of Congo is currently facing its 17th outbreak of the virus. The first known case of this specific wave was a nurse in the provincial capital of Bunia who died in late April. The virus has since spread to gold-mining towns and across the border into Uganda via travelers.

What to watch next

Health officials are focusing on curbing transmission through community behavioral changes and improved disease surveillance while waiting for vaccine development. Investigations are ongoing to determine exactly how long the virus had been spreading before the first detection. The scale of the epidemic in the DR Congo is believed to be much larger than current confirmed figures suggest, and the involvement of healthcare workers among the deceased remains a primary concern for international observers.