Table 2 Top 20 countries according to three publication indicators
From: The swift knowledge development path of COVID-19 research: the first 150 days
| Quantity | Quality | |||||
|---|---|---|---|---|---|---|
| Rank | Country | No. of papers | Country | No. of citations | Country | m-index |
| 1 | China | 995 | China | 11,551 | China | 0.9862 |
| 2 | U.S. | 848 | U.S. | 2,350 | U.S. | 0.5141 |
| 3 | Italy | 440 | England* | 816 | Italy | 0.2152 |
| 4 | England* | 356 | Germany | 668 | England* | 0.1585 |
| 5 | Canada | 127 | Italy | 563 | Singapore | 0.1194 |
| 6 | India | 121 | Singapore | 361 | Canada | 0.1173 |
| 7 | France | 117 | Canada | 293 | Germany | 0.0902 |
| 8 | Australia | 113 | France | 197 | Taiwan | 0.0815 |
| 9 | Singapore | 100 | Switzerland | 185 | India | 0.0735 |
| 10 | Germany | 91 | South Korea | 171 | France | 0.0653 |
| 11 | Iran | 89 | Japan | 156 | Iran | 0.0550 |
| 12 | Switzerland | 81 | Taiwan | 136 | Vietnam | 0.0539 |
| 13 | Turkey | 60 | Australia | 132 | Australia | 0.0477 |
| 14 | South Korea | 54 | Scotland | 98 | Brazil | 0.0465 |
| 15 | Brazil | 51 | India | 95 | Netherlands | 0.0447 |
| 16 | Japan | 49 | Netherlands | 91 | Switzerland | 0.0404 |
| 17 | Spain | 46 | Sweden | 91 | Turkey | 0.0403 |
| 18 | Netherlands | 37 | Belgium | 77 | Japan | 0.0382 |
| 19 | Thailand | 33 | Vietnam | 75 | Norway | 0.0307 |
| 20 | Taiwan | 32 | Thailand | 63 | Spain | 0.0273 |