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There is still a lack of effective therapies for treating SARS-CoV-2-infected patients, as doubts remain whether antibodies provide sufficient immunity for COVID-19, and the safety of vaccines under development needs further study. The treatment of coronavirus from the perspective of RNA interference-based gene therapy offers a more direct approach to combating viral genes in addition to traditional drugs and vaccines and is likely to have a promising future. In this paper, an analysis of the emerging patent landscape was given on gene therapies for coronavirus under development, highlighting patent applications' basic status, geographical distribution, time-series analysis of new inventors, and ranking of patent applicants. Relevant patents were also reviewed and summarized to provide ideas for the control of the current COVID-19 pandemic.

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Since its Nobel Prize-winning breakthrough in 2012, CRISPR-Cas-based gene-editing system has emerged as one of the most promising biotechnologies in decades. In this article, we present an objective and comprehensive evaluation of CRISPR-based gene-editing technologies, including base editing and prime editing, based on the bibliometric analysis of 22,902 published records. We also assessed the status of CRISPR gene-editing technologies in academia from 2010 to 2020 globally, with respect to countries, institutions, and researchers, and used text clustering methods to assess technical trends and research hotspots. Our results indicate, not surprisingly, that this is a thriving and prominent area of research. By comparing the relevance and growth of CRISPR geneediting technologies in China with other countries by several metrics, we show that the Chinese scientific community attaches considerable importance to the field of plant genome engineering, with more scholars from agricultural sectors than other sectors.