The World Health Organization (WHO) announced that the current Ebola outbreak in eastern Congo began in February, several months before its official declaration in mid-May. This delay in identification has allowed the virus to spread rapidly, with officials stating they are currently "chasing the virus."
Regional WHO director Mohamed Yakub Janabi explained that genetic sequencing indicated the outbreak's February start. He noted that initial cases were erroneously attributed to malaria and typhoid, contributing to the lag in response. The outbreak has since grown to encompass 4,200 confirmed cases and over 1,900 deaths, according to the latest government figures.
The WHO has characterized this outbreak as the fastest-growing on record. The specific strain, the Bundibugyo virus, lacks approved vaccines or treatments, a factor that has complicated containment efforts. Initial diagnostic efforts focused on more common Ebola strains, further delaying appropriate responses.
This outbreak has seen a higher mortality rate and faster progression than previous ones, including the 2014-2016 West Africa outbreak, which resulted in over 11,000 deaths from at least 28,000 cases over approximately eight months to reach 1,000 deaths. Ebola is a highly contagious disease transmitted through bodily fluids and contaminated surfaces, often proving fatal.
WHO Director-General Tedros Adhanom Ghebreyesus recently stated that Ebola is spreading faster than containment efforts can keep pace. He cited that new cases are doubling in some areas and that 60% to 70% of new infections are occurring outside of monitored contact tracing, describing the spread as "alarming."
Response efforts are further challenged by ongoing rebel conflict in the region, which has historically limited access to healthcare in this remote area bordering South Sudan, Uganda, and Rwanda. Delays in declaring past Ebola outbreaks are not unprecedented, as seen with the 2014-2016 West Africa outbreak, where the first human case was later traced to December 2013, nearly four months before its official declaration.