Was DEFUSE Executed? — Proposal-as-Blueprint vs Natural Furin Acquisition
Open questionA 2018 grant application asked to insert a human-specific cut-site into bat coronaviruses. The Pentagon agency turned it down. Covid carries exactly that kind of cut-site in a spot its nearest bat relatives don't have. The open question is whether the proposed work went ahead anyway on other money, or whether the feature arose in nature. Pointing one way: the earlier drafts name the same spot Covid's site sits, fifteen federal agencies sat in the room in 2018 and none of it was public until 2021, and the agency's own reviewers called the team capable and the idea worth doing before refusing it on safety grounds. Pointing the other: the version actually submitted names a different spot, no document places the work under other funding, and these cut-sites do occur naturally in other coronaviruses. It stays open because the only referee on offer is paperwork produced by the same agencies being asked about. It would be settled by lab or money records showing the work was done — or by finding a wild virus carrying the same site in the same configuration.
The engine's record — word for word
**Plain read:** The 2018 DEFUSE proposal asked to insert human-specific proteolytic cleavage sites into bat SARS-related coronaviruses. DARPA declined to fund it. SARS-CoV-2 carries a furin cleavage site at the S1/S2 junction that its closest known relatives do not. Did the proposed work happen anyway — or did that site arise naturally? **The hypothesis under test:** that DEFUSE (or work descended from it, under other funding) produced the feature. **What cuts for it:** earlier DEFUSE drafts name insertion positions corresponding to S1/S2, exactly where the SARS-CoV-2 site sits; at least fifteen federal agencies attended the PREEMPT Proposers Day in 2018 and the project was not public until 2021; DARPA's own reviewers rated the team capable and the approach 'selectable', declining on risk-governance rather than feasibility grounds. **What cuts against it:** the submitted proposal specifies S2', not S1/S2; no document places the work under alternative funding; furin cleavage sites occur naturally across coronaviruses, and European SARS-related bat coronaviruses carry molecular features where a single nucleotide exchange may enable furin cleavage. **Why this stays open rather than resolving:** the arbiter proposed by both sides is documentation produced by the apparatus under examination. Per the darpa node the agency runs two arms — classified CRADA transfer alongside the open solicitation record — so a rejection in the visible arm is silent about the other; per disclosure_architecture, zero of twelve US disclosure episodes scored cleanly voluntary-at-cost; and per foia_administrative the absence of a record is not itself evidence of concealment. **Falsification:** produce EcoHealth Alliance, WIV or UNC financial or laboratory records placing any element of the DEFUSE protocol under alternative funding between 2018 and 2019 — or identify a wild sarbecovirus carrying the S1/S2 furin cleavage site in the SARS-CoV-2 configuration. Either settles it. **Watch signals:** further FOIA tranches on the fifteen Proposers Day agencies; any unredacted WIV or EcoHealth ledger; wild-sample sequencing reporting an S1/S2 furin site in the same configuration.
Walk this on the live map →