Is There Already an Ebola Vaccine? An Explanation and Its Potential Spread in Indonesia
In recent decades, the world has witnessed remarkable advances in biotechnology to tame one of the deadliest viruses, Ebola. Questions about vaccine availability and its potential threat to Indonesia have become crucial amid increasing global mobility. This article will review the latest status of Ebola vaccination and how Indonesia sits on the global risk map.
The answer is yes. Today, the medical world has vaccines proven effective in preventing infection with the Ebola virus, particularly the most deadly Zaire strain. The availability of this vaccine has transformed outbreak management from primarily reactive to preventive.
Ervebo, produced by Merck, is the first vaccine to receive World Health Organization (WHO) prequalification in 2019. This vaccine is a single-dose shot and uses a weakened vesicular stomatitis virus to carry a protein from the Ebola virus, thereby triggering an immune response without causing disease.
Developed by Johnson & Johnson, this is a two-dose regimen. The first dose (Zabdeno) is given to prime the immune system, followed by the second dose (Mvabea) about eight weeks later to strengthen long-term protection. This vaccine is typically used in high-risk areas but where there is no active outbreak.
These vaccines are currently prioritised for “Ring Vaccination” (ring vaccination), i.e., vaccinating people who have contact with confirmed cases to break the transmission chain.
Geographically and biologically, the risk of Indonesia experiencing a large-scale Ebola outbreak is categorised as low, but not zero. Here is the risk analysis:
Ebola is a zoonotic disease whose natural hosts are certain fruit bat species (Pteropodidae) found in sub-Saharan Africa. To date, there is no scientific evidence that bats in Indonesia carry the Ebola virus African strain. This minimises the risk of direct transmission from animals to humans within the country.
The main risk to Indonesia comes from human mobility. International flights connecting Indonesia with African countries via layovers in the Middle East or Europe enable entry of individuals in the incubation period. Migrant workers, humanitarian volunteers, or business travellers are groups closely monitored when arriving from affected regions.
Indonesia has extensive experience in handling infectious diseases (such as Avian Flu and COVID-19). The Ministry of Health has established fixed protocols (Protap) to address the Ebola threat, including:
Although the risk is low, Indonesia must remain vigilant against “Ebola-like diseases” or viruses from the same family (Filoviridae). Monitoring illegal wildlife trade is also key, because viruses often move via contact with bushmeat from wild animals whose health has not been tested.
The world is now far better prepared to confront Ebola than a decade ago thanks to the Ervebo and Zabdeno vaccines. For Indonesia, the threat of an Ebola outbreak in 2026 remains at a level of vigilance against imported cases. With strict port health protocols and a hospital referral system that has been tested, the potential for an Ebola pandemic in Indonesia can be minimised. The public is urged to remain calm but to continually follow official health information from the government. (H-3)
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