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Hantaflow
Country file

Hantavirus in United States

local
1 signals (30 d)
Americas USA
Last signal 14d ago

Overview

United States is in the Americas hantavirus context. The country has documented circulation of SNV, SEOV (Sin Nombre virus, Seoul virus).

Hantavirus disease has been nationally notifiable in the United States since 1995. Sin Nombre virus, carried by the deer mouse, is the dominant cause of Hantavirus Pulmonary Syndrome (HPS); a smaller number of Seoul-virus HFRS cases are documented, including the 2017 multi-state pet-rat cluster.

Sources for the above: CDC: Hantavirus Surveillance · Knust & Rollin, Emerg Infect Dis 2013 (20-year US hantavirus surveillance) · CDC MMWR 2018 (Seoul virus pet-rat outbreak)

Reservoir species

  • Peromyscus maniculatus
  • Rattus norvegicus

Endemic strains

SNV HPS
Sin Nombre virus
CFR: ~36% (HPS)
SEOV HFRS
Seoul virus
CFR: ~1–2% (HFRS, mild form)

Signal trend (last 30 days)

Daily signal volume
0 this week vs 0 the week before
→ 0% w/w
9 Oct: 0 signals 10 Oct: 0 signals 11 Oct: 0 signals 12 Oct: 0 signals 13 Oct: 0 signals 14 Oct: 0 signals 15 Oct: 0 signals 16 Oct: 0 signals 17 Oct: 0 signals 18 Oct: 0 signals 19 Oct: 0 signals 20 Oct: 0 signals 21 Oct: 0 signals 22 Oct: 0 signals 23 Oct: 0 signals 24 Oct: 1 signals 25 Oct: 0 signals 26 Oct: 0 signals 27 Oct: 0 signals 28 Oct: 0 signals 29 Oct: 0 signals 30 Oct: 0 signals 31 Oct: 0 signals 1 Nov: 0 signals 2 Nov: 0 signals 3 Nov: 0 signals 4 Nov: 0 signals 5 Nov: 0 signals 6 Nov: 0 signals 7 Nov: 0 signals
9 Oct 24 Oct 7 Nov
Languages of the conversation
en 1

Signal volume = mentions in monitored sources (CDC, WHO, ECDC, news in 17 languages), not confirmed clinical case counts. Buckets are UTC days.

Recent signals from United States

RSS JSON

1 recent items, latest first. Click through to the original publisher.

  1. Official CDC-NNDSS · 14d ago ·US · en
    CDC NNDSS — Hantavirus infection (US, 2026 week 43): 0 new, 1 YTD
    Weekly aggregate from CDC NNDSS table for "Hantavirus infection, non-hantavirus pulmonary syndrome". Current week: 0. YTD 2026: 1.
    Indexed 3m ago Source ↗