03 May 2026
The sustained global spread of the highly pathogenic avian influenza (HPAI) H5N1 virus has prompted an urgent reevaluation of current disease control strategies. With the virus deeply entrenched in wild bird populations and occasionally spilling over into mammalian species, the traditional reliance on large-scale poultry culling is increasingly viewed as an unsustainable approach. Scientific consensus indicates that integrating widespread vaccination is a necessary, long-term tool to safeguard animal welfare, secure food supplies, and mitigate broader public health risks.
Despite the World Organisation for Animal Health (WOAH) officially recognizing vaccination as a complementary control measure, and clarifying that its use does not jeopardize a nation’s HPAI-free status under proper surveillance, global implementation remains severely limited. Many exporting nations are deterred by the financial burdens of extensive monitoring and, most notably, the persistent threat of disproportionate international trade barriers.
To overcome these global hurdles, an international working group was recently convened by the Netherlands, bringing together representatives from Canada, the European Commission, France, the UK, the US, and WOAH. The consortium's primary objective is to develop a unified framework with universally recognized minimum requirements for surveillance. By conclusively demonstrating the absence of active infection in vaccinated flocks, the group aims to eliminate unjustified trade restrictions and facilitate the safe, uninterrupted export of poultry products. In the coming months, WOAH will formally release specialized surveillance guidelines designed to support disease status recognition, paving the way for a more resilient and sustainable global poultry sector.
Bouma, A., Lim, H. A., van Riet, T. J. D., & Roest, H. I. J. (2026, April 20). HPAI Poultry Vaccination: Moving Beyond Trade Barriers. World Organisation for Animal Health (WOAH).
