Hantavirus en Paraguay: situación actual, transmisión, síntomas y prevención
Presidente Hayes, ParaguayConfidence 85%3 affectedJun 2, 2026
This article provides an update on hantavirus in Paraguay, detailing 3 confirmed cases in 2026 across Boquerón and Presidente Hayes, along with information on transmission, symptoms, and prevention.
Species mentioned
- rodents
- Callomys laucha
Source articles
Every claim above is derived from publicly available reporting. Click through to read the original at the publisher.
- PrimaryHantavirus en Paraguay: situación actual, transmisión, síntomas y prevención
mspbs.gov.py · 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. The Western Region (Chaco) is an area of confirmed virus circulation among rodents. The primary reservoir is the Callomys laucha. Transmission is mainly through inhalation of contaminated aerosols from rodent excreta. Person-to-person transmission has only been documented for the Andes virus, which is not present in Paraguay.
- ReferenceHantavirus in Paraguay: The current situation - Outbreak News Today
vertexaisearch.cloud.google.com · 2026-06-02
Paraguay reported 110 hantavirus cases between 2020 and 2025, with 73% originating in the department of Boquerón and a 14% case fatality rate. In 2026, three cases have been confirmed, two in Boquerón and one in Presidente Hayes. The Western Region, or Chaco, is considered an area of confirmed rodent transmission. The primary reservoir is the house mouse, and transmission to humans is mainly through inhalation of contaminated aerosols. Person-to-person transmission (Andes virus) has not been documented in Paraguay.
- ReferenceHantavirus in Paraguay: The current situation
outbreaknewstoday.com · 2026-06-02
Between 2020 and 2025, Paraguay reported 110 hantavirus cases, with 73% originating in the department of Boquerón. In 2026, three cases have been confirmed, all in men, with two from Boquerón and one from Presidente Hayes. The most affected age group is 20 to 39 years, and the cumulative case fatality rate is 14%. The primary identified reservoir in Paraguay is the house mouse (Callomys laucha). The virus is shed by rodents through blood, secretions, and excreta, and is transmitted to humans mainly through inhalation of contaminated aerosols. It can also enter the body through skin wounds, mu
- ReferenceHantavirus in Paraguay: The current situation - Outbreak News Today
vertexaisearch.cloud.google.com · 2026-06-03
Paraguay has confirmed 3 hantavirus cases in 2026, with two from Boquerón and one from Presidente Hayes departments. The Western Region, or Chaco, is identified as an area of confirmed rodent transmission. Between 2020 and 2025, 110 cases were reported, with 73% originating from Boquerón, and a cumulative case fatality rate of 14%.
- ReferenceHantavirus in Paraguay: The current situation
outbreaknewstoday.com · 2026-06-03
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 in the country, with 73% originating in the department of Boquerón. The cumulative case fatality rate was 14%. The Western Region, or Chaco, is considered an area of confirmed rodent transmission of the virus, though isolated cases have also been reported in the Eastern Region.
- ReferenceHantavirus in Paraguay: The current situation - Outbreak News Today
vertexaisearch.cloud.google.com · 2026-06-03
Paraguay reported 3 confirmed hantavirus cases in 2026, all in men. Two cases were from Boquerón and one from Presidente Hayes. The Western Region, or Chaco, is considered an area of confirmed rodent transmission of the virus. Most cases affect young adult males due to risky activities in rural and wild environments. Symptoms include sudden onset of fever, headache, muscle pain, weakness, or fatigue, with a high mortality rate.
- ReferenceHantavirus in Paraguay: The current situation
vertexaisearch.cloud.google.com · 2026-06-03
Paraguay confirmed 3 hantavirus cases in 2026, all in men from the Boquerón and Presidente Hayes departments. The Western Region (Chaco) is identified as a rodent transmission area, with the house mouse (Callomys laucha) as the primary reservoir for Laguna Negra virus. This report is an aggregated summary of public information for surveillance.
Reminder
This report is an aggregated summary of public information for surveillance and awareness purposes only. It is not medical advice. For symptoms, exposure, or clinical decisions, contact a qualified clinician or your local public-health authority.