Scientometric analysis of research trends in hemorrhagic fever with renal syndrome: A historical review and network visualization

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BACKGROUND: Hemorrhagic fever with renal syndrome (HFRS) research has undergone significant global transformation over the past decades. A comprehensive scientometric overview of research trends and scholarly cooperation in HFRS is absent. This study employs scientometric analysis to map the evolution of research themes, identify widely and scarcely explored areas, and anticipate future research directions. METHODS: We searched Web of Science Core Collection from inception until July 31, 2023, identifying 3908 HFRS-related studies published for analysis. Utilizing CiteSpace, VOSviewer, and Bibliometrix, we performed co-authorship, co-occurrence, and co-citation analyses, and visualized research networks. RESULTS: Our analysis revealed a consistent upward trend in HFRS publications since 1980, with an average growth rate of 11.34 %. The United States led in publication and citation counts, followed by China, Finland, Germany, and Sweden. Through co-occurrence analysis, we categorized keywords into eight clusters and 24 sub-clusters, revealing six predominant research themes: Clinical Features, Epidemiology, Mechanisms, Virus, Evolution, and Host. Notably, while themes such as Virus and Pathogenesis have been extensively studied, others, including certain aspects of Host research and Environmental Factors, remain less explored. CONCLUSION: This scientometric synthesis provides a global perspective on the breadth and depth of HFRS research, highlighting well-trodden and understudied areas. It offers a roadmap for researchers to navigate the evolving landscape of HFRS studies and prioritize areas ripe for future investigation.