ERSJ Epidemiological Research and Surveillance Journal", Year 2, No. 2. Periodicity: Quarterly, october - december 2026. Publication edited by Porfirio Felipe Hernández Bautista. Address: Insurgentes Sur #730, Floor 2, Interior A, Colonia Del Valle, C.P. 03100, Mexico City, CDMX Telephone: (644) 133-0383. Email: editor@ersj.org. Website: https://ersj.org/. Certificate of Reservation of Rights to the Exclusive Use of Title: 04-2026-020413394600-102. ISSN: 3122-4512

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