Congo-Kinshasa: DR Congo's Ebola Outbreak Has the Potential to Become a Global Pandemic. How to Make Sure It Doesn't

The rapidly spreading Bundibugyo Ebola virus disease outbreak in the Democratic Republic of Congo (DR Congo) poses a significant risk of turning into a global pandemic. As an infectious disease epidemiologist, I have witnessed similar outbreaks, such as the 2014-2016 West Africa Ebola outbreak in Sierra Leone, and I believe this current situation in DR Congo has the potential to become a global epidemic.

The speed and scope of this outbreak are concerning, making it difficult to accurately assess its true scale and metrics. The delay in official detection has already led to a lag in reported cases and deaths. This delay is exacerbating the situation, as frontline health workers face overwhelming backlogs of cases for treatment, surveillance, and contact tracing.

Several factors are driving the rapid spread of the Bundibugyo virus disease. Super-spreaders, who disproportionately transmit the virus to others, are believed to be responsible for more than 60% of sustained onward transmission in previous outbreaks. The rarity of this particular strain, combined with a lack of diagnostic kits, has hindered early detection and containment efforts.

The age group of 18-49 years is the most affected by the outbreak, while children below 15 years and adults above 45 years have also contributed significantly to transmission. Their unfamiliarity with Ebola symptoms and engagement in high-risk behaviors, such as unprotected sex, further increases the likelihood of spread.

The ongoing armed conflict in eastern DR Congo adds another layer of complexity, as it hinders people's ability to access treatment. The combination of super-spreading, limited data, insufficient therapeutics and vaccines, and the challenging socio-environmental context makes containing this outbreak an immense challenge.