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Top 10 most prolific countries in COVID-19 and stroke research.
| Rank | Countries/regions | NP | Citations |
|---|---|---|---|
| 1 | USA | 223 | 5,042 |
| 2 | Italy | 80 | 1,448 |
| 3 | China | 71 | 1,228 |
| 4 | Canada | 49 | 985 |
| 5 | England | 49 | 1,127 |
| 6 | Germany | 45 | 751 |
| 7 | Spain | 40 | 1,045 |
| 8 | France | 33 | 1,063 |
| 9 | Iran | 29 | 584 |
| 10 | Brazil | 26 | 690 |
NP, N of publications.
