Wallace, Cliquet et al. (2020) — Emerging Infectious Diseases
Role of Oral Rabies Vaccines in the Elimination of Dog-Mediated Human Rabies Deaths
Published: July 29, 2026
Rabies kills approximately 59,000 people every year. Domestic dogs are responsible for almost all of those deaths. And the countries where those deaths occur are precisely the countries where the conventional tools for eliminating dog-mediated rabies — injectable vaccination campaigns, dog population management, and reliable access to post-exposure treatment — are hardest to implement at the scale required. A paper from the World Organisation for Animal Health and WHO examines whether oral rabies vaccines for dogs could be the missing piece. 🐾
Researchers R. Wallace, F. Cliquet, T. Müller, and their international team conveyed the joint perspectives of the WHO Rabies Reference Laboratory Directors, the World Organisation for Animal Health expert committee on dog rabies control, and the World Health Organization on the potential role of oral rabies vaccination for dogs — a tool that has been highly effective in eliminating rabies from wildlife populations in Europe and North America but has never been successfully deployed at scale for domestic dog populations in high-burden countries.
Why Dog Rabies Is Still Killing 59000 People a Year
The technical tools to eliminate dog-mediated human rabies deaths exist and are proven. In upper-income countries, the combination of sustained parenteral dog vaccination programmes achieving 70 percent or greater herd immunity, dog population management, access to post-exposure prophylaxis for bite victims, and bite prevention education has successfully eliminated dog-mediated rabies transmission. Countries including the United States, across Western Europe, and in significant parts of Latin America have demonstrated that elimination is achievable.
The gap is not technical. It is implementation. Maintaining adequate herd immunity in free-roaming dog populations in resource-poor settings is the central challenge. Injectable vaccination campaigns require catching and handling individual dogs — a significant logistical and cost challenge in populations where dogs are semi-owned or fully free-roaming, where human density is high, where veterinary infrastructure is limited, and where the dog population is large relative to available vaccination resources. Campaign coverage frequently falls short of the 70 percent threshold needed to break transmission, and coverage that is achieved in one year erodes before the next campaign if annual programmes cannot be sustained.
Oral rabies vaccination addresses this constraint directly. Baits containing live attenuated or recombinant rabies vaccine are distributed across target areas and consumed by dogs without requiring capture or handling. The approach has been deployed across millions of square kilometres of European and North American wildlife habitat — eliminating fox-mediated and raccoon-mediated rabies transmission across entire countries and regions. The question the paper examines is why the same approach has not been successfully extended to domestic dogs in high-burden settings, and what would be required to change that.
What Has Prevented Oral Dog Vaccination Until Now ⚠️
The barriers the paper identifies are both technical and institutional. On the technical side, bait design for domestic dog populations differs from wildlife bait design in important ways. Dogs are often food-opportunistic and may consume baits non-selectively, creating distribution and safety considerations that differ from wildlife deployment scenarios. Bait acceptance rates among free-roaming dogs in diverse environments have not been adequately characterised across the range of settings where deployment would be needed. And the oral vaccine formulations with the strongest safety and efficacy data were developed for wildlife species rather than optimised for the specific immunological requirements of domestic dog populations in tropical and subtropical environments.
On the institutional side, the hesitations the paper addresses include regulatory frameworks that have not been designed to accommodate oral vaccine field use, concerns about bait distribution in densely populated human environments, and the historically siloed relationship between wildlife rabies control programmes and domestic animal vaccination programmes — even though both ultimately serve the same goal of eliminating the transmission chain that kills people.
The paper’s recommendations focus on overcoming these hesitations through coordinated field trials, harmonised regulatory pathways, and integration of oral vaccination into the existing One Health framework that connects animal, human, and environmental health infrastructure. The authors are clear that oral vaccination is not proposed as a replacement for injectable programmes where those can be effectively implemented. It is proposed as an additional tool — particularly valuable in the specific contexts where injectable campaigns consistently fall short of coverage targets.
What Every Dog Owner Needs to Understand About This 🐕
For owners in countries where dog-mediated rabies has been eliminated, this research operates at a remove from daily experience. Rabies vaccination for pet dogs in high-income countries is routine, legally required in most jurisdictions, and the disease itself is absent from the domestic dog population. The 59,000 annual deaths are happening in a different world to the one most readers of this article inhabit.
But the connection to responsible dog ownership runs through two channels that are worth making explicit. The first is direct: any dog owner who travels with their dog to or lives in regions where dog-mediated rabies circulates — significant areas of Asia, Africa, and parts of Latin America — is operating in a risk environment that demands current vaccination status, rigorous bite prevention awareness, and knowledge of what to do if exposure occurs. The earlier research in this series on bite wound management and post-exposure prophylaxis is directly relevant in those contexts.
The second channel is broader. The free-roaming dog population responsible for the global rabies burden is the same population discussed in the wildlife interaction research covered earlier in this series. Dogs without owners, without vaccination, and without containment are a public health and conservation problem at global scale. The structural solution to both problems — wildlife predation impact and rabies transmission — runs through the same infrastructure of dog population management, vaccination coverage, and the human-dog relationship quality that makes management possible at all.
At Zoeta Dogsoul, responsible ownership is always part of the full picture. A vaccinated, contained, well-managed dog is not just a safer companion. It is one node in a global system that, when functioning well across enough animals and enough communities, makes the elimination of a disease that kills 59,000 people annually an achievable goal rather than a distant aspiration. NeuroBond includes the responsibility dimension — knowing your dog, managing your dog, and vaccinating your dog as expressions of the same attentiveness that makes the relationship itself worth having. 🐾
Source: Wallace, R., Cliquet, F., Müller, T., et al. (2020). Role of Oral Rabies Vaccines in the Elimination of Dog-Mediated Human Rabies Deaths. Emerging Infectious Diseases. Published December 1, 2020.
