Epidemiology of Dengue in Argentina during the 2010/11 to 2019/20 Seasons: A Contribution to the Burden of Disease

Author:

Rapaport Solana1ORCID,Mauriño Mariana2,Morales María Alejandra3,Fabbri Cintia3ORCID,Luppo Victoria3,Buyayisqui María Pía2,Varela Teresa2,Giovacchini Carlos2,Urueña Analía1

Affiliation:

1. Centro de Estudios para la Prevención y Control de Enfermedades Transmisibles, Universidad Isalud, Venezuela 931, Ciudad Autónoma de Buenos Aires C1095AAS, Argentina

2. Dirección de Epidemiología, Ministerio de Salud de la Nación, Av. 9 de Julio 1925, Ciudad Autónoma de Buenos Aires C1073ABA, Argentina

3. División Arbovirus, Departamento Diagnóstico Laboratorial y Referencial, Instituto Nacional de Enfermedades Virales Humanas “Dr. Julio I. Maiztegui” (INEVH)-ANLIS, Monteagudo 2510, Pergamino 2700, Argentina

Abstract

Background: Dengue is an important public health problem in Argentina, as in many other countries. We reviewed and updated information on the dengue disease burden in Argentina over a 10-year period. Methods: We conducted a retrospective descriptive study from 2010 to 2020 based on data from the National Health Surveillance System. The main outcomes included dengue cases, incidence rates, deaths, and serotype distribution by season, age group, and region. Results: A total of 109,998 confirmed cases of dengue were reported. Seasonality stands out, prevailing during summer and autumn. Two main outbreaks (seasons 2015/16 and 2019/20), with increasing magnitude, were observed. The 2019/20 season showed the highest number of cases (58,731) and incidence rate (135/100,000). The Northeast region had the highest number of cases and incidence rate. In 2020, for the first time, autochthonous cases were registered in the Cuyo region. The only region with no autochthonous cases was the South. Adolescents and young adults showed the highest incidence rate. The case fatality rate for the period was 0.05%. Four serotypes circulated, but the predominant one was DEN-1 (78%). Conclusions: Dengue has been expanding temporally and spatially. Although the DEN-1 serotype widely predominated, the increasing circulation of other serotypes raises concerns regarding re-exposure and the severity of future cases. Understanding epidemiological trends is key to defining public prevention and control policies.

Funder

Takeda

Publisher

MDPI AG

Reference40 articles.

1. National Ministry of Health (2023, August 28). Argentina. Manual de Normas y Procedimientos de Vigilancia y Control de Eventos de Notificación Obligatoria. Actualización. Available online: https://bancos.salud.gob.ar/recurso/manual-de-normas-y-procedimientos-de-vigilancia-y-control-de-eventos-de-notificacion.

2. World Health Organization (2023, August 28). Dengue and Severe Dengue. Available online: https://www.who.int/es/news-room/fact-sheets/detail/dengue-and-severe-dengue.

3. Climate change impact on migration, travel, travel destinations and the tourism industry;Semenza;J. Travel Med.,2019

4. Impacto del cambio climático en las enfermedades infecciosas;Berberian;Arch. Argent Pediatr.,2012

5. Pan American Health Organization, and World Health Organization (2023, August 28). Dengue. Available online: https://www.paho.org/es/temas/dengue.

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