MV Hondius IHR Stress Test (May 7 2026 Audit) — H1 FALSIFIED at 33rd Percentile (26d vs pre-exit mean 39.6d, z=-0.42); H2/H3/H4 CONFIRMED; Apex (d) compound-path-null

May 7 2026 deep-research MV Hondius Andes-Hantavirus Cross-Border Cluster integration scoring (35 findings + 12-card players section + 8 net-new nodes + 20 net-new edges + 4 prediction sub_sections; 91 cited primary + secondary sources; Tier-1/2/3 source-disciplined). **Fifth ripple of the May 2026 sequence** (after Live-Feed Scoring May 4 + Ballroom Audit + staleness fix + Joulework Cycle-Control Thesis + COVID Wealth Transfer Audit + this). **Plain read:** The MV Hondius is a Dutch-flagged polar-expedition cruise ship that departed Ushuaia on April 1 2026. By early May, three passengers were dead, one in ICU, the strain (Andes virus, the only hantavirus that spreads person-to-person) confirmed by South Africa NICD via PCR. The audit asked: now that the US has formally exited the WHO (EO 14155, January 2026), can international health coordination still contain a multi-jurisdictional outbreak? The answer is yes. The 26-day symptom-onset-to-WHO-notification interval was faster than the average across five comparable pre-exit benchmarks (MERS Korea 9d, Diamond Princess 14d, Marburg Equatorial Guinea 40d, measles Samoa 45d, Ebola West Africa 90d; mean 39.6, std-dev 31.7, z=-0.42, 33rd percentile). The thesis that IHR coordination would degrade is empirically falsified. **Distinguishing feature: H1 EMPIRICALLY FALSIFIED at 33rd-percentile threshold - recorded prominently as Phoenix-Cycle pre-registration discipline-honoring event per BST III paper protocol (DOI 10.5281/zenodo.19955167). Same methodological discipline as the May 6 2026 COVID Wealth Transfer Audit row.** **H2/H3/H4 confirmed:** (H2) US response shifted entirely to bilateral channels - CDC monitored residents in 5 states (GA/CA/AZ/TX/VA) through direct intelligence sharing with European and African counterparts, conspicuously omitting the WHO. (H3) The cluster is statistically anomalous against the documented Andes-virus case base - confined commercial-vessel transmission was unprecedented in the published literature, which until now exclusively documented rural-household, hospital, or extended-family clusters. (H4) The polar-expedition cruise sector is empirically real as an emergent biosecurity substrate - IAATO passenger growth 27,243 (2014-15) → 118,491 (2024-25) through one primary gateway (Ushuaia, Argentina) sitting in the endemic range of Andes-virus rodent reservoirs. **the simplest explanation fits the data — a routine zoonotic spillover with no hidden architecture, coordinated agenda, or engineered origin:** the cluster is a routine zoonotic spillover (Argentine MoH attributes to pre-embarkation birdwatching at Ushuaia landfill) that triggered a functional, geographically decentralized IHR response. No engineered-origin substrate (zero Andes-virus GoF research footprint at any global high-containment facility; no DARPA/BARDA/NIH grants targeting Andes 2018-26; existing literature shows minimal genomic mutation across experimental passaging). The audit explicitly rules out the coordinated-conspiracy reading (Apex (a) intentional-cabal in engine notation) at the engine-canon biosecurity-capture layer and explicitly REJECTS the 'US-as-keystone-node' Layer-1 framing (Finding 30 records this as a Layer-1 REJECTION rather than promotion). **Engine architecture impact:** 8 new nodes (mv_hondius_andes_cluster_2026, andes_virus_orthohantavirus_andesense, iaato_polar_expedition_cruise_substrate_2024_2026, ihr_post_eo_14155_operational_test_node, oceanwide_expeditions_dutch_flag_operator, sub_antarctic_rodent_corridor_node, cruise_ship_outbreak_class, africa_cdc_ascendancy_2026); 20 new edges; 8 existing nodes updated (wh_eo_14155_who_exit, antarctic_treaty, madrid_protocol, proximal_origin_paper, darpa_defuse_2018, ecohealth_alliance, operation_warp_speed_contractor_ledger, bst); 1 new player section with 12 cards; 4 prediction sub_sections (2027, 2028, 2032); 1 new divergence; 2 new concepts; 3 ticker items. **Forward-watch falsification triggers preserved:** (1) by 6 June 2026: MV Hondius isolate genome publication - any furin-cleavage-site or unnatural insertion would revive engineered-origin hypothesis; (2) by 25 May 2026: any port-of-call community cluster ≥3 cases with R>1 voids containment-success assessment; (3) any FOIA evidence CDC was blocked from data due to WHO exit reverses IHR-resilience verdict; (4) by 4 August 2026: ANDES-DNA or mRNA hantavirus emergency-procurement action would activate the Warp-Speed-successor pipeline node.