The World Health Organisation (WHO) has classified the Ebola outbreak currently unfolding in Central Africa as a Public Health Emergency of International Concern. This declaration, only the ninth of its kind in the history of the WHO, follows alarming reports from Ituri Province in the Democratic Republic of the Congo (DRC). Eight laboratory-confirmed cases of Ebola have been cited, along with 246 suspected infections and approximately 80 suspected fatalities.

Health experts are now expressing heightened anxiety over the potential for this outbreak to surpass recent health crises, such as the hantavirus outbreak linked to the MV Hondius cruise ship. The DRC has a history of Ebola transmission and the viral infection is primarily transmitted through body fluids from infected individuals, including blood, vomit, and faeces.

In addition, Uganda, sharing a porous border with the DRC, has reported two confirmed cases, one resulting in death. The emergence of suspected cases in major urban centres like Kinshasa and Kampala has raised apprehension among health authorities. Meanwhile, the United States is in the process of repatriating at least six American citizens believed to have been exposed to the virus.

Challenges in Containing the Outbreak

The current situation presents greater risks compared to the hantavirus outbreak, largely because of Ebola’s transmission dynamics. The Ebola virus is spreading in regions where surveillance, diagnostic capabilities, and healthcare infrastructure are inadequately equipped to manage such health emergencies. Dr Gautam Menon from Ashoka University has noted that the comparison between these two outbreaks underscores why international agencies are particularly concerned about Ebola.

As cities like Kinshasa and Kampala see reported cases, experts warn that many infections might remain undetected due to inadequate healthcare access. The complexities arise further from the fact that there are no reliable methods currently available for diagnosing this specific strain of the Ebola virus, complicating efforts to contain its spread.

Additionally, Dr Menon emphasised the changed landscape in global health and limited resources available to tackle significant outbreaks, particularly in light of diminished US engagement in global health matters. Unlike the hantavirus incident, where tracing passengers was feasible, Ebola’s broader reach poses a more considerable challenge.

Unique Characteristics of the Current Ebola Virus Strain

The ongoing Ebola outbreak involves the Bundibugyo species of the virus rather than the well-documented Zaire strain. Virologist Dr Gagandeep Kang indicated that the Bundibugyo strain differs significantly from Zaire, with roughly 30 per cent genetic variation. This raises concerns regarding the efficacy of existing vaccines and antibody treatments.

Encounters with Ebola frequently lead to severe symptoms, including organ failure and considerable bleeding, further complicating public health responses. The recent outbreak is believed to have commenced in March, but insufficient healthcare access led to the misdiagnosis of initial cases as malaria or other common diseases.

Geographical barriers also complicate necessary health measures, as Ituri Province is particularly challenging to access. Cross-border movements for trade and familial reasons raise the likelihood of regional spread. Health officials believe that while regional transmission is an immediate concern, the possibility of a broader pandemic remains minimal if strict monitoring and containment protocols are implemented.

Despite the known and severe risks associated with Ebola, it is important to note that the virus does not spread through the air like diseases such as influenza or COVID-19. Direct contact with bodily fluids is required for transmission, meaning the global risk could remain relatively low with aggressive intervention.

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