From: Influenza: a scientometric and density-equalizing analysis
 | GDP | R&D | Researchers | Published items |
---|---|---|---|---|
2000–2008 | 2000–2008 | 2000–2008 | 2000–2008 | |
USA | 11991.17 | 2.64 | 9.69 | 1000.11 |
EU-27 | 12808.28 | 1.75 | 5.89 | 752.44 |
China | 5043.44 | 1.19 | 1.30 | 104.67 |
Russia | 1555.22 | 1.13 | 7.13 | 30.11 |