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Volume 32, Number 1—January 2026

Dispatch

Evidence of Rat Hepatitis E Virus Circulation through Wastewater Surveillance, Central Argentina

Bianca Filoni1Comments to Author , María Emilia Lucero1, Guadalupe Di Cola, Anabella Fantilli, Alfonsina Roccia, Paola Sicilia, Liliana Luque, Ariana Cachi, María de los Ángeles Marinzalda, Gonzalo Castro, Gisela Masachessi, Viviana Ré, and María Belén Pisano
Author affiliation: Instituto de Virología Dr. J.M. Vanella, Universidad Nacional de Córdoba, Córdoba, Argentina (B. Filoni, M.E. Lucero, G. Di Cola, A. Fantilli, A. Roccia, L. Luque, A. Cachi, M. de los Ángeles Marinzalda, G. Castro, G. Masachessi, V. Ré, M.B. Pisano); Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina (G. Di Cola, G. Masachessi, V. Ré, M.B. Pisano); Ministerio de Salud de la Provincia de Córdoba, Córdoba (P. Sicilia, L. Luque, G. Castro); Instituto Nacional de Medicina Aeronáutica y Espacial, Facultad de la Fuerza Aérea, Facultad de la Fuerza Aérea, Universidad de la Defensa Nacional, Córdoba (A. Cachi, M. de los Ángeles Marinzalda).

Main Article

Figure 1

Emerging rat hepatitis E virus detection in Argentina, 2023–2024. A) Study area in the province of Córdoba (red shading), located in the central region of Argentina, and the location of Bajo Grande wastewater treatment plant in the city of Córdoba. Red lines indicate the sewage network, which covers 56.9% of the city’s population. B) Frequency of detection of rat hepatitis E virus during 2023–2024, per month. The circles indicate detections per week sampled within each month.

Figure 1. Emerging rat hepatitis E virus detection in Argentina, 2023–2024. A) Study area in the province of Córdoba (red shading), located in the central region of Argentina, and the location of Bajo Grande wastewater treatment plant in the city of Córdoba. Red lines indicate the sewage network, which covers 56.9% of the city’s population. B) Frequency of detection of rat hepatitis E virus during 2023–2024, per month. The circles indicate detections per week sampled within each month.

Main Article

1These authors contributed equally to this article.

Page created: December 30, 2025
Page updated: January 29, 2026
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