> For the complete documentation index, see [llms.txt](https://docs.therisk.global/organization/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.therisk.global/organization/model/scenarios/pandemic.md).

# Pandemic

Pandemic: the coupled risk across energy, infrastructure, food and health, and the applied response of the programme pillars, as a teaching context of the Nexus model.

**Where this fits:** energy, infrastructure, food and health · Foundry, Nexus Universe, Nexus Reports and Risk Academy · the Nexus Consortium · the whole programme year · teaching context.

> Workforce absence ripples from clinics into grid operations, logistics and farm labour.

**In brief.** In this teaching context health is hit first. 4 of the six sectors are in play through 6 of the fifteen relations, a coupling of 0.41 of the whole system, and the teaching cascade amplifies the initial shock ×1.50. On the response side, 4 of the six pillars apply, with 10 of the eighteen handoffs in play and 5 feedback loops closed. All sector values are **teaching values for a typical city-region, not measurements for any place**; the applications are illustrative and the cited values are published benchmarks, not forecasts.

<figure><picture><source srcset="/files/3xlkFDr0y9ZROdyaeVPx" media="(prefers-color-scheme: dark)"><img src="https://2655483226-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEQtittnb4JJQ2YOtd2tk%2Fuploads%2Fgit-blob-e3e68825792ead3a85a6bc4d62e02d5bbaf1e3f2%2Fnexus-duo-pandemic-light.svg?alt=media" alt="Two hexagons for pandemic. Left, coupled risk: health is hit first; 4 of the six sectors (energy, infrastructure, food and health) are in play through 6 of the fifteen relations, and the teaching cascade amplifies the initial shock 1.50 times. Right, applied response: 4 of the six programme pillars apply (Foundry, Universe, Reports and Academy), with 10 of the eighteen handoffs between them in play and 5 feedback loops closed; the cited headline value is $60B+ expected losses a year. Underneath, the eight phases of the programme year in which handoffs happen."></picture><figcaption><p><strong>Coupled risk, applied response: pandemic.</strong> Left: teaching values for a typical city-region, not measurements. Right: illustrative applications and the measure each pillar answers for; values are published benchmarks (Commission on a Global Health Risk Framework, 2016), not forecasts. Source: the sectors and pillars model published on the GCRI, GRF and GRA home pages, vendored and hash-pinned in tools/figures/vendor/nexus-model. As of 2026-10-21.</p></figcaption></figure>

<details>

<summary>Figure data (text alternative)</summary>

| Element                   | Kind             | Description                                                                                                                                                         | Value                         |
| ------------------------- | ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------- |
| Energy and Infrastructure | Relation in play | Energy to infrastructure: power for transport and telecoms (0.8); Infrastructure to energy: transmission and fuel logistics (0.6)                                   | 0.70                          |
| Energy and Food           | Relation in play | Energy to food: fertiliser, machinery and cold chains (0.5); Food to energy: bioenergy feedstock (0.2)                                                              | 0.35                          |
| Energy and Health         | Relation in play | Energy to health: hospital power (0.5); Health to energy: grid workforce (0.2)                                                                                      | 0.35                          |
| Infrastructure and Food   | Relation in play | Infrastructure to food: transport to market (0.5); Food to infrastructure: rural roads and storage (0.1)                                                            | 0.30                          |
| Infrastructure and Health | Relation in play | Infrastructure to health: access to care (0.5); Health to infrastructure: workforce for operations (0.3)                                                            | 0.40                          |
| Food and Health           | Relation in play | Food to health: nutrition (0.7); Health to food: farm labour (0.3)                                                                                                  | 0.50                          |
| Water                     | Sector           | outside this context                                                                                                                                                | –                             |
| Energy                    | Sector           | depends on infrastructure for transmission and fuel logistics                                                                                                       | stress 0.07                   |
| Infrastructure            | Sector           | depends on energy for power for transport and telecoms                                                                                                              | stress 0.09                   |
| Food                      | Sector           | depends on energy for fertiliser, machinery and cold chains                                                                                                         | stress 0.09                   |
| Health                    | Sector           | first hit, then depends on food for nutrition                                                                                                                       | stress 0.65                   |
| Biodiversity              | Sector           | outside this context                                                                                                                                                | –                             |
| Amplification             | Cascade          | Shock 0.6 at Health, gain 0.35, 4 rounds; coupling 0.41 of the total                                                                                                | ×1.50                         |
| F01                       | Handoff in play  | Universe to Foundry: Admitted mission becomes a cycle project with a decision case                                                                                  | Readiness preparation         |
| F02                       | Handoff in play  | Foundry to Universe: Core Build Report and go or no-go evidence                                                                                                     | Controlled build              |
| F03                       | Handoff in play  | Foundry to Reports: Sealed observations and indicator series behind a profile                                                                                       | Closeout                      |
| F04                       | Handoff in play  | Universe to Reports: After-action and scenario findings for chapters 10 and 13                                                                                      | After-action review           |
| F05                       | Handoff in play  | Foundry to Reports: National Portfolio movement for chapter 11                                                                                                      | After-action review           |
| F06                       | Handoff          | Reports to Standards: Method and correction findings as change proposals                                                                                            | Correction                    |
| F07                       | Handoff          | Universe to Standards: Docket items that need a standard or a profile                                                                                               | Docket review                 |
| F08                       | Handoff          | Standards to Foundry: Composed mission profiles and national adoption records                                                                                       | Readiness preparation         |
| F09                       | Handoff          | Standards to Academy: Each adopted standard or profile becomes a course module                                                                                      | Renewal                       |
| F10                       | Handoff in play  | Universe to Academy: Assessed cycle tasks become completion evidence                                                                                                | Closeout                      |
| F11                       | Handoff in play  | Academy to Universe: Qualified participants for the next cycle's roles                                                                                              | Renewal                       |
| F12                       | Handoff in play  | Reports to Universe: Q4 synthesis informs the next-year mandate                                                                                                     | Renewal                       |
| F13                       | Handoff          | Foundry to Standards: Validation and monitoring evidence for conformance review                                                                                     | Controlled build              |
| F14                       | Handoff in play  | Foundry to Academy: Each system's rooms become a learning-by-doing course                                                                                           | Planning                      |
| R1                        | Handoff          | Standards to Reports: Applied in editions                                                                                                                           | Around the ring               |
| R2                        | Handoff in play  | Reports to Academy: Taught in the open                                                                                                                              | Around the ring               |
| R3                        | Handoff          | Academy to Labs: Questions become experiments                                                                                                                       | Around the ring               |
| R4                        | Handoff          | Labs to Foundry: Tested prototypes are built                                                                                                                        | Around the ring               |
| Labs                      | Pillar           | Workforce-absence scenarios for essential services                                                                                                                  | Scenarios tested ↑            |
| Foundry                   | Pillar           | Continuity board for clinics, grid and logistics                                                                                                                    | Services monitored ↑          |
| Universe                  | Pillar           | Continuity exercise across health, energy and food                                                                                                                  | Services kept running ↑ $60B+ |
| Standards                 | Pillar           | Shared surveillance and continuity records                                                                                                                          | Days to share data ↓          |
| Reports                   | Pillar           | After-action findings on essential services                                                                                                                         | Findings acted on ↑           |
| Academy                   | Pillar           | Course for continuity managers                                                                                                                                      | Managers qualified ↑          |
| Value at risk             | Cited value      | Expected annual cost of pandemics, against about $4.5B a year to prepare. Commission on a Global Health Risk Framework, 2016                                        | $60B+ expected losses a year  |
| Planning                  | Phase (Q1, G0)   | F14 Each system's rooms become a learning-by-doing course                                                                                                           | 1 handoff(s)                  |
| Readiness preparation     | Phase (Q2, G2)   | F01 Admitted mission becomes a cycle project with a decision case; F08 Composed mission profiles and national adoption records                                      | 2 handoff(s)                  |
| Controlled build          | Phase (Q2, G3)   | F02 Core Build Report and go or no-go evidence; F13 Validation and monitoring evidence for conformance review                                                       | 2 handoff(s)                  |
| Closeout                  | Phase (Q3, G5)   | F03 Sealed observations and indicator series behind a profile; F10 Assessed cycle tasks become completion evidence                                                  | 2 handoff(s)                  |
| After-action review       | Phase (Q3)       | F04 After-action and scenario findings for chapters 10 and 13; F05 National Portfolio movement for chapter 11                                                       | 2 handoff(s)                  |
| Correction                | Phase (Q4)       | F06 Method and correction findings as change proposals                                                                                                              | 1 handoff(s)                  |
| Docket review             | Phase (Q4)       | F07 Docket items that need a standard or a profile                                                                                                                  | 1 handoff(s)                  |
| Renewal                   | Phase (Q4, G7)   | F09 Each adopted standard or profile becomes a course module; F11 Qualified participants for the next cycle's roles; F12 Q4 synthesis informs the next-year mandate | 3 handoff(s)                  |

</details>

## Coupled risk

| Sector                                                          | In this context                                               | Stress after four rounds |
| --------------------------------------------------------------- | ------------------------------------------------------------- | ------------------------ |
| [Water](/organization/model/sectors/water.md)                   | Outside this context                                          | –                        |
| [Energy](/organization/model/sectors/energy.md)                 | Depends on infrastructure for transmission and fuel logistics | 0.07                     |
| [Infrastructure](/organization/model/sectors/infrastructure.md) | Depends on energy for power for transport and telecoms        | 0.09                     |
| [Food](/organization/model/sectors/food.md)                     | Depends on energy for fertiliser, machinery and cold chains   | 0.09                     |
| [Health](/organization/model/sectors/health.md)                 | Hit first; then depends on food for nutrition                 | 0.65                     |
| [Biodiversity](/organization/model/sectors/biodiversity.md)     | Outside this context                                          | –                        |

Amplification ×1.50; 6 of the 15 relations in play; coupling 0.41 of the total. Teaching values for a typical city-region, not measurements for any place. Coupling is the summed strength of the relations in play, as a share of all fifteen.

**What it means for a study.** A pandemic is the one context in which health is the origin. The coupling runs through the workforce: absence in clinics ripples into grid operations, logistics and farm labour. These relations are weaker than the physical ones, so amplification is lower, but they reach every sector that depends on people at work.

## Applied response

| Pillar                                                          | Illustrative application                           | Measure it answers for | Better when | Sectors served                       |
| --------------------------------------------------------------- | -------------------------------------------------- | ---------------------- | ----------- | ------------------------------------ |
| [Labs](/organization/programme/labs.md)                         | Workforce-absence scenarios for essential services | Scenarios tested       | higher      | Energy, Infrastructure, Health       |
| [Foundry](/organization/programme/foundry.md) (applied)         | Continuity board for clinics, grid and logistics   | Services monitored     | higher      | Energy, Infrastructure, Food, Health |
| [Nexus Universe](/organization/programme/universe.md) (applied) | Continuity exercise across health, energy and food | Services kept running  | higher      | Energy, Food, Health                 |
| [Nexus Standards](/organization/programme/standards.md)         | Shared surveillance and continuity records         | Days to share data     | lower       | Health                               |
| [Nexus Reports](/organization/programme/reports.md) (applied)   | After-action findings on essential services        | Findings acted on      | higher      | Energy, Infrastructure, Food, Health |
| [Risk Academy](/organization/programme/academy.md) (applied)    | Course for continuity managers                     | Managers qualified     | higher      | Infrastructure, Health               |

**What it means for a response.** The response is continuity of essential services. The Foundry runs a continuity board for clinics, grid and logistics; Universe exercises keeping services running across health, energy and food; Reports publishes after-action findings on essential services; Academy qualifies continuity managers. In every case the responsible government, operator or licensed institution decides and acts; the programme informs that decision.

## Published benchmarks

| Slot                 | Value                        | What it measures                                                         | Source                                                                               |
| -------------------- | ---------------------------- | ------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ |
| Value at risk        | $60B+ expected losses a year | Expected annual cost of pandemics, against about $4.5B a year to prepare | [Commission on a Global Health Risk Framework, 2016](https://doi.org/10.17226/21891) |
| Return on resilience | –                            | No published benchmark for this context                                  | –                                                                                    |
| Avoided loss         | –                            | No published benchmark for this context                                  | –                                                                                    |

Each value is international evidence with its own scope, cited on the same line. None is a forecast for any project or place. See [Method and limits](/organization/model/method-and-limits.md) for how to read the values precisely.

## On the public sites

The same context, with the same values, is shown on the [GRF platforms](https://globalriskforum.com/platforms/) page.

## Related pages

[All scenarios](/organization/model/scenarios.md) · [Coupled risk](/organization/model/coupled-risk.md) · [Applied response](/organization/model/applied-response.md) · [Energy](/organization/model/sectors/energy.md) · [Infrastructure](/organization/model/sectors/infrastructure.md) · [Food](/organization/model/sectors/food.md) · [Health](/organization/model/sectors/health.md)

## Sources

* Commission on a Global Health Risk Framework, 2016. <https://doi.org/10.17226/21891>
* The model data: the "Coupled risk, applied response" section of the [GCRI home page](https://therisk.global/).


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