ConfirmedPublished Jun 1 · 2026AI-classified · awaiting human verification

Hantavirus in Paraguay: The current situation - Outbreak News Today

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Presidente Hayes, ParaguayConfidence 85%3 affectedJun 1, 2026

Paraguay has confirmed three hantavirus cases in 2026, with two in Boquerón department and one in Presidente Hayes. Hantavirus is endemic in the country's Western Region.

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Hantavirus in Paraguay: The current situation - Outbreak News Today
vertexaisearch.cloud.google.com · 2026-06-01
In 2026, Paraguay has confirmed three hantavirus cases, all in men. Two cases were reported from the Boquerón department (ages 20-39) and one from Presidente Hayes (ages 15-19). Hantavirus is endemic in Paraguay, with the Western Region (Chaco) considered an area of confirmed rodent transmission. Between 2020 and 2025, 110 cases were reported, with 73% originating in Boquerón and a cumulative case fatality rate of 14%.
Reference
Hantavirus in Paraguay: The current situation
outbreaknewstoday.substack.com · 2026-06-01
Paraguay has confirmed 3 hantavirus cases in 2026, all affecting men. Two of these cases originated in the Boquerón department, and one in the Presidente Hayes department. Between 2020 and 2025, Paraguay reported 110 hantavirus cases with a 14% case fatality rate, with 73% of cases from Boquerón. The Western Region, or Chaco, is recognized as an area of confirmed rodent transmission, with the house mouse (Callomys laucha) identified as the primary reservoir. Transmission to humans primarily occurs through the inhalation of contaminated aerosols from rodent excretions.
Reference
Hantavirus in Paraguay | Hantatracker
hantatracker.io · 2026-06-01
As of May 31, 2026, Paraguay has reported 2 confirmed hantavirus cases with no deaths. The Laguna Negra virus is endemic in the Western Chaco region, specifically in the Boquerón and Presidente Hayes departments.
Reference
Hantavirus in Paraguay: The current situation - Outbreak News Today
vertexaisearch.cloud.google.com · 2026-06-01
As of May 10, 2026, Paraguay confirmed 3 hantavirus cases in 2026, all in men. Two cases were from Boquerón and one from Presidente Hayes. The Western Region (Chaco) is an area of confirmed rodent transmission, with the house mouse (Callomys laucha) identified as the primary reservoir.
Reference
Hantavirus in Paraguay: The current situation
outbreaknewstoday.com · 2026-06-01
Paraguay has confirmed three hantavirus cases in 2026, all in men. Two cases were reported from Boquerón and one from Presidente Hayes. The Western Region, or Chaco, is considered an area of confirmed rodent transmission, with isolated cases also in Concepción and Itapúa. The primary identified reservoir in Paraguay is the house mouse (Callomys laucha). Transmission to humans occurs mainly through inhalation of contaminated aerosols from rodent excreta. Rural activities like agriculture and outdoor recreation are risk factors.
Reference
Hantavirus in Paraguay: The current situation - Outbreak News Today
vertexaisearch.cloud.google.com · 2026-06-02
Outbreak News Today reported on May 10, 2026, that Paraguay has confirmed three hantavirus cases in 2026, all in men. Two cases are from Boquerón (20-39 years old) and one from Presidente Hayes (15-19 years old). The Western Region, or Chaco, is considered an area of confirmed rodent transmission, though isolated cases have occurred in the Eastern Region. Hantavirus, primarily transmitted through rodent excreta, poses a risk for individuals engaged in rural and wild activities.
Reference
Hantavirus in Paraguay: The current situation
vertexaisearch.cloud.google.com · 2026-06-02
As of May 10, 2026, Paraguay has confirmed 3 hantavirus cases in 2026, all in men. Two cases are from Boquerón department and one from Presidente Hayes department. The Western Region (Chaco) is an endemic area, with most cases affecting young adult males involved in rural and wild activities.
Reference
Hantavirus in Paraguay: The current situation - Outbreak News Today
outbreaknewstoday.com · 2026-06-02
As of May 10, 2026, Paraguay has confirmed 3 hantavirus cases in 2026, all in men: two from Boquerón department (20-39 years old) and one from Presidente Hayes department (15-19 years old). Between 2020 and 2025, Paraguay reported 110 cases, with 73% originating in Boquerón and a cumulative case fatality rate of 14%. The primary reservoir in Paraguay is the house mouse (Callomys laucha).
Reference
Hantavirus in Paraguay: The current situation
outbreaknewstoday.com · 2026-06-02
In Paraguay, 3 hantavirus cases have been confirmed in 2026, all in men, with two from Boquerón and one from Presidente Hayes departments. Between 2020 and 2025, 110 cases were reported, predominantly from Boquerón (73%), with a 14% fatality rate. The Western Region (Chaco) is an area of confirmed rodent transmission, with the house mouse (Callomys laucha) being the primary reservoir for Laguna Negra virus.
Reference
Hantavirus in Paraguay: The current situation
vertexaisearch.cloud.google.com · 2026-06-02
Paraguay has confirmed 3 hantavirus cases in 2026, all in men, with two from Boquerón and one from Presidente Hayes. Between 2020 and 2025, 110 cases were reported, with 73% originating in the department of Boquerón and a cumulative case fatality rate of 14%. The Western Region, or Chaco, is considered an area of confirmed rodent transmission, though isolated cases have also been reported in Concepción and Itapúa.
Reference
Hantavirus in Paraguay: The current situation - Outbreak News Today
outbreaknewstoday.com · 2026-06-02
Paraguay has confirmed three hantavirus cases in 2026, all in men. Two cases were reported from Boquerón and one from Presidente Hayes. The Western Region, or Chaco, is considered an area of confirmed rodent transmission, with the house mouse (Callomys laucha) identified as the primary reservoir. Most cases affect young adult males involved in rural and wild activities.
Reference
Hantavirus in Paraguay: The current situation
outbreaknewstoday.com · 2026-06-02
Paraguay has reported 3 confirmed hantavirus cases in 2026, all in men, with two from Boquerón and one from Presidente Hayes departments. The Western Region, or Chaco, is considered an area of confirmed rodent transmission. Between 2020 and 2025, 110 cases were reported with a 14% case fatality rate. The primary reservoir is the house mouse (Callomys laucha), and transmission is mainly through inhalation of contaminated aerosols.
Reference
Hantavirus in Paraguay: The current situation
vertexaisearch.cloud.google.com · 2026-06-02
As of May 10, 2026, three cases of hantavirus have been confirmed in Paraguay this year, all in men. Two cases are from Boquerón department and one from Presidente Hayes department. The Western Region (Chaco) is an area of confirmed rodent transmission, with the house mouse (Callomys laucha) identified as the primary reservoir.
Reference
Hantavirus in Paraguay: The current situation
outbreaknewstoday.com · 2026-06-02
Between 2020 and 2025, Paraguay reported 110 hantavirus cases, with 73% from Boquerón department. In 2026, three cases have been confirmed: two from Boquerón and one from Presidente Hayes. The primary reservoir in Paraguay is the house mouse (Callomys laucha).
Reference
Hantavirus in Paraguay | Hantatracker
hantatracker.com · 2026-06-02
Paraguay has 2 confirmed hantavirus cases, with Laguna Negra virus endemic in the Western Chaco (Boquerón and Presidente Hayes departments). The reservoir is the vesper mouse (Calomys laucha). Prevention includes sealed grain storage, rodent control, and ventilation. Surveillance data is reconciled with the Ministry of Public Health and Social Welfare and WHO.
Reference
Hantavirus in Paraguay: The current situation
outbreaknewstoday.com · 2026-06-02
Paraguay has confirmed 3 hantavirus cases in 2026, all in men, with two originating from the department of Boquerón and one from Presidente Hayes. Between 2020 and 2025, 110 cases were reported in the country, with 73% from Boquerón and a cumulative case fatality rate of 14%. The Western Region, or Chaco, is considered an area of confirmed rodent transmission.
Reference
Hantavirus in Paraguay: The current situation - Outbreak News Today
outbreaknewstoday.com · 2026-06-02
Paraguay recorded 110 hantavirus cases between 2020 and 2025, with 73% originating from the Boquerón department. In 2026, three new cases have been confirmed, all in men, with two from Boquerón and one from Presidente Hayes. The Western Region, or Chaco, is identified as an area of confirmed rodent transmission.
Reference
Hantavirus in Paraguay: The current situation - Outbreak News Today
vertexaisearch.cloud.google.com · 2026-06-02
As of May 10, 2026, Paraguay confirmed 3 hantavirus cases in 2026, all in men. Two cases were from Boquerón department and one from Presidente Hayes department. The Western Region (Chaco) is an endemic area for rodent transmission, with the house mouse (Callomys laucha) identified as the primary reservoir.
Reference
Hantavirus in Paraguay: The current situation
vertexaisearch.cloud.google.com · 2026-06-03
Paraguay has confirmed 3 hantavirus cases in 2026, all in men. Two cases are from Boquerón department and one from Presidente Hayes department. The Western Region (Chaco) is identified as an area of confirmed rodent transmission, with the house mouse (Callomys laucha) being the primary reservoir for Laguna Negra virus.

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