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The word cloud and Sankey diagram of author’s keywords related to m6A in viral infection. A The author’s keywords of m6A in viral infection. Colors represent different keywords, and the size represents the frequency of keywords. The words with the highest frequency were m6A, followed by COVID-19, epitranscriptomics, METTL3, hepatitis B virus, innate immunity and HIV-1. B Sankey diagram of the association among keywords, authors and countries
