# Corrections

This file logs corrections to previously published figures. Per [methodology](./METHODOLOGY.md), each correction lists what changed, when, why, and links to the corrected source.

Historical snapshots in `/snapshots/YYYY-MM-DD/` are never edited after the day they are written. They preserve the record of what was published at the time.

## Format

Each entry follows this format:

> **YYYY-MM-DD** — *Field changed* — Brief description. ([source](https://example.org))

## Log

> **2026-05-10** — *Editorial scope (refinement)* — HantaTracker narrowed further from "Andes virus only" to "currently-active Andes-virus risk events only". Pre-cluster Andes-virus surveillance counts (Argentina 66 confirmed / 21 deaths and Chile 35 / 7, both from PAHO 19 December 2025, EW 1–47) retired from displayed totals. Globals revised: confirmed 107 → 6, suspected unchanged at 2, deaths 31 → 3, countriesReporting unchanged at 9 (still the 9 cluster countries), activeOutbreaks unchanged at 1. `cases_by_country.json` is now empty — the WHO DON does not attribute cluster cases to specific destination countries. Pre-cluster reporting preserved as historical news in `feed.json`. Reasoning in [METHODOLOGY.md §Scope](./METHODOLOGY.md). Retired figures preserved in earlier same-day commits (`b4729f3` pre-pivot, `<this commit's predecessor>` first-pivot). ([WHO DON 600](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON600))

> **2026-05-10** — *Editorial scope* — HantaTracker narrowed from "all hantaviruses" to "Andes virus (Orthohantavirus andesense) only" — the one hantavirus species with documented human-to-human transmission. Country rows for Brazil, Bolivia, Panama, Paraguay, Uruguay, and the United States retired. Their published case counts cover non-Andes hantaviruses (Sin Nombre in the USA, Choclo in Panama) or carry no Tier-1 strain attribution (Brazil, Bolivia, Paraguay, Uruguay) — Andes virus is documented in the literature for some of these countries but no Tier-1 strain-attributed figure has been published. Globals retired alongside: confirmed 235 → 107, suspected unchanged at 2, deaths 62 → 31, countriesReporting 15 → 9, activeOutbreaks 2 → 1 (Paraguay's Mariscal Estigarribia HPS outbreak dropped — strain not attributed). Reasoning in [METHODOLOGY.md §Scope](./METHODOLOGY.md). The retired figures are preserved in `snapshots/2026-05-10/` (the post-DON-600, pre-pivot snapshot was committed as `b4729f3`). ([WHO DON 600](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON600))