Committee Structure
Understanding the roles, responsibilities, and interactions of the Pango committees that maintain the nomenclature system.
Pango Committee (PC)
Governance & Rules
Maintain, uphold, and amend the rules of the Pango nomenclature system.
Consider suggested rule changes, from the LDC or elsewhere.
Ratify or reject rule changes and explain those decisions.
Publish the Pango system rules and rule changes.
Consider and publish lineage designations proposed by the LDC.
Lineage Designation Committee (LDC)
Scientific Analysis
Analyse available SARS-CoV-2 genome data and develop lineage designations.
Communicate proposed designations to the PC.
Consider requests for new lineages or other changes.
Propose new rules or rule changes to the PC as appropriate.
Maintain computational tools for the classification of new genome sequences.
Committee Interaction
How the committees interact with each other and the wider community to ensure the system remains robust and responsive.
graph TD
A[Genomic Epidemiology Community] -->|Advice & Experience| C{Pango Committee};
B(Lineage Designation Committee) -->|Proposed Designations| C;
C -->|Ratified Designations| A;
C -->|Rules & Guidance| B;
D[Observer Members] -.->|Communication Channel| C;
style C fill:#f3f4f6,stroke:#374151,stroke-width:2px
style B fill:#e0e7ff,stroke:#4f46e5,stroke-width:2px
style A fill:#f0fdf4,stroke:#16a34a,stroke-width:2px