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Comparison of Three Detection Methods for Seoul Virus Causing Hemorrhagic Fever with Renal Syndrome by Keping Chen, Tiantian Zhao, Huidi Sun, Yu Geng, Yurong Xu, Chun Shan, Yuxin Chen

Background: Seoul virus (SEOV) is a significant causative pathogen of hemorrhagic fever with renal syndrome (HFRS). Accurate discrimination of SEOV infection from other viral or bacterial infections holds vital clinical importance.
Methods: Our study utilized quantitative real-time PCR (qRT-PCR), metagenomic next-generation sequencing (mNGS), and immunological assays to identify the pathogen causing HFRS.
Results: For the case, mNGS identified SEOV and suspected host or environmental microorganisms at 5 days from symptom onset. qRT-PCR detected SEOV between 5 to 8 days from symptom onset. Anti-hantavirus IgM antibodies reached positive criteria at 7 days and IgG antibodies at 9 days from symptom onset.
Conclusions: qRT-PCR, mNGS, and immunological assays each have merits and drawbacks. Optimal selection depends on laboratory conditions and clinical requirements.

DOI: 10.7754/Clin.Lab.2023.230821