Top 10 journals having the largest contribution of Covid-related papers1 to JIF_
| Index | Journal | JIF2021 | JIF2021w/o Covid2 | Contributionof Covid3 | Percentage4 |
|---|---|---|---|---|---|
| 1 | Lancet | 202.7 | 94.2 | 108.5 | 53.5% |
| 2 | JAMA JAMMEDASSOC | 157.3 | 63.8 | 93.6 | 59.5% |
| 3 | NEW ENGL JMED | 176.1 | 96.2 | 79.9 | 45.4% |
| 4 | LANCET RESP MED | 102.6 | 40.7 | 62.0 | 60.4% |
| 5 | LANCET INFECT DIS | 71.4 | 23.8 | 47.6 | 66.7% |
| 6 | BMJBRIT MEDJ | 93.3 | 47.5 | 45.9 | 49.2% |
| 7 | LANCET PSYCHIAT | 77.1 | 33.1 | 44.0 | 57.1% |
| 8 | LANCET PUBLICHEALTH | 72.4 | 30.6 | 41.8 | 57.7% |
| 9 | NAT REV IMMUNOL | 108.6 | 68.2 | 40.4 | 37.2% |
| 10 | JINFECTION | 38.6 | 8.8 | 29.8 | 77.2% |