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. 2021 Apr 8;34(3):429–441. doi: 10.1002/leap.1382

TABLE 1.

Descriptive statistic of publications and collaborations about COVID‐19.

As of April 1 April 2–15 April 16–May 1 May 2–15 May 16–June 1 As of June 1
In terms of publication
Number of documents 808 457 878 1,493 2,191 5,827
Number of countries/regions 62 68 66 93 103 128
Number of institutes 851 1,044 2,160 2,378 3,241 6,349
Number of Authors 3,029 2,787 4,021 6,433 9,736 23,127
In terms of collaboration
Number of countries/regions participating in scientific collaboration 60 62 57 83 96 122
collaborations among countries/regions 537 642 947 1,614 2,143 5,886
Number of institutes participating in scientific collaboration 801 950 1,760 2,190 2,960 5,879
collaborations among institutes 2,995 4,199 6,420 11,145 15,602 40,384
Number of authors participating in scientific collaboration 2,976 2,547 3,614 6,142 11,245 21,014
collaborations among authors 21,176 27,786 30,561 36,166 81,739 197,428

Note: The data in the table are de‐duplicated. Institution data are matched by country and institution name, and author data is matched by institution and author name.