Skip to content
Hantaflow
Country file

Hantavirus in United States

local
1 signals (30 d)
Americas USA
Last signal 18d 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
25 Aug: 0 signals 26 Aug: 0 signals 27 Aug: 0 signals 28 Aug: 0 signals 29 Aug: 0 signals 30 Aug: 0 signals 31 Aug: 0 signals 1 Sept: 0 signals 2 Sept: 0 signals 3 Sept: 0 signals 4 Sept: 0 signals 5 Sept: 1 signals 6 Sept: 0 signals 7 Sept: 0 signals 8 Sept: 0 signals 9 Sept: 0 signals 10 Sept: 0 signals 11 Sept: 0 signals 12 Sept: 0 signals 13 Sept: 0 signals 14 Sept: 0 signals 15 Sept: 0 signals 16 Sept: 0 signals 17 Sept: 0 signals 18 Sept: 0 signals 19 Sept: 0 signals 20 Sept: 0 signals 21 Sept: 0 signals 22 Sept: 0 signals 23 Sept: 0 signals
25 Aug 9 Sept 23 Sept
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 · 18d ago ·US · en
    CDC NNDSS — Hantavirus infection (US, 2026 week 36): 0 new, 1 YTD
    Weekly aggregate from CDC NNDSS table for "Hantavirus infection, non-hantavirus pulmonary syndrome". Current week: 0. YTD 2026: 1.
    Indexed 10m ago Source ↗