From 23–28 March 2026, WHO Member States met in Geneva for the sixth Intergovernmental Working Group session and agreed to extend negotiations on the Pathogen Access and Benefit Sharing (PABS) annex to the Pandemic Agreement. Talks were scheduled to resume 27 April–1 May before consideration by the World Health Assembly in May, after disputes over benefit definitions, distribution, contractual arrangements, and governance delayed agreement.[1][2]
PABS is intended to enable rapid sharing of pandemic-potential pathogens and sequence information while ensuring equitable access to resulting vaccines, diagnostics, and therapeutics.[1][2] For a lunar settlement, unresolved rules create uncertainty over access to reference strains, genomic data, countermeasures, and manufacturing inputs precisely when Earth-based jurisdictions may restrict transfers; this increases epidemic-containment and supply-chain risks for a small, medically vulnerable population.
The Ark team should treat Earth pandemic coordination as a non-guaranteed external dependency: monitor PABS negotiations, WHA decisions, laboratory-network requirements, and access conditions; design independent genomic surveillance, pathogen-reference libraries, broad-spectrum therapeutics, vaccine-platform manufacturing, and validated diagnostic production for lunar use. Scenario planning should include prolonged Earth isolation, delayed biological shipments, and politically restricted pathogen or sequence access.