ArticleThe American journal of tropical medicine and hygiene2025
Dengue Virus Serotypes 1 and 2 Responsible for Dengue Burden in Amazonas: Epidemiological and Clinical Features.
Article in The American journal of tropical medicine and hygiene, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The increase in dengue cases in Amazonas poses a public health risk. This study aimed to examine the circulating serotypes in the region of Amazonas, Peru, from 2021 to 2023, along with the associated clinical and epidemiological characteristics. Serotype identification was determined for 420 serum samples using a multiplex real-time reverse transcription-polymerase chain reaction assay, revealing that 194 patients were infected by dengue virus (DENV)-1 and 226 by DENV-2. Both serotypes co-circulated in all affected provinces. Warning signs were more frequent in patients with DENV-2 (P = 0.004), and the manifestation of abdominal pain was correlated with this serotype (P = 0.004), highlighting its association with severe forms of the disease. In conclusion, this study emphasizes the widespread circulation of DENV-1 and DENV-2 in Amazonas. Furthermore, it underscores the importance of real-time molecular surveillance that could provide an early prognosis of disease severity.
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