Country file

Hantavirus in United States

local

2 signals (30 d)

Americas USA

Last signal 7d 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

Sin Nombre virus

CFR: ~36% (HPS)

CFR: ~1–2% (HFRS, mild form)

Signal trend (last 30 days)

Daily signal volume

0 this week vs 1 the week before

↓ -100% w/w

11 Jul 26 Jul 9 Aug

Languages of the conversation

el 1 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

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

News GNEWS-EL-GR · 7d ago ·US · el
Ο Hantavirus επιστρέφει στη Νότια Αμερική: Η Χιλή κρούει τον κώδωνα του κινδύνου καθώς σχεδόν το 40% των κρουσμάτων καταλήγουν σε θάνατο. - Vietnam.vn
Ο Hantavirus επιστρέφει στη Νότια Αμερική: Η Χιλή κρούει τον κώδωνα του κινδύνου καθώς σχεδόν το 40% των κρουσμάτων καταλήγουν σε θάνατο. Vietnam.vn

Indexed 12m ago Source ↗
Official CDC-NNDSS · 15d ago ·US · en
CDC NNDSS — Hantavirus infection (US, 2026 week 30): 0 new, 1 YTD
Weekly aggregate from CDC NNDSS table for "Hantavirus infection, non-hantavirus pulmonary syndrome". Current week: 0. YTD 2026: 1.

Indexed 12m ago Source ↗