Overview
- The death of a 59-year-old man from Chacabuco on December 15 in Junín was recently confirmed as hantavirus by the INEV Dr. Carlos Maiztegui laboratory, raising the provincial fatality count reported by local media to three.
- A 33-year-old resident of Sierra de los Padres in Mar del Plata was diagnosed posthumously on January 2, and authorities activated a focus-control protocol with home disinfection and rodent monitoring at his residence and workplaces.
- El Dia previously reported the death of a 14-year-old in Pergamino this year, which, along with the Mar del Plata case, preceded the newly confirmed Chacabuco result.
- Official data cited by local outlets show 77 hantavirus cases and 23 deaths in Argentina during 2025, including 32 confirmed cases and 11 fatalities in Buenos Aires province, with La Plata logging the most confirmed cases in the province by late December.
- Health guidance highlights transmission through inhaling aerosols from wild rodents such as the long-tailed mouse and advises sealing entry points, ventilating enclosed spaces, cleaning with a 1:9 chlorine solution, using N95 masks, and seeking prompt care after exposure or symptoms.