| Similarity | Rank | |
|---|---|---|
| hiv | 0.853 | 4107 |
| meningitis | 0.723 | 14760 |
| tuberculosis | 0.723 | 11298 |
| polio | 0.699 | 19165 |
| toxoplasmosis | 0.690 | 29902 |
| meningococcal | 0.682 | 66567 |
| aids-related | 0.682 | 53545 |
| vaccination | 0.678 | 13071 |
| epidemic | 0.675 | 7696 |
| cancer | 0.673 | 2060 |
| thalidomide | 0.672 | 34958 |
| immunisation | 0.667 | 21651 |
| haemophiliac | 0.664 | 26237 |
| leprosy | 0.662 | 29600 |
| infection | 0.661 | 2615 |
| alzheimers | 0.660 | 54956 |
| diphtheria | 0.660 | 24994 |
| opren | 0.660 | 35119 |
| vaccine | 0.660 | 8601 |
| rubella | 0.658 | 36198 |
| ante-natal | 0.658 | 34613 |
| alzheimer | 0.657 | 15709 |
| hepatitis | 0.656 | 7631 |
| osteoporosis | 0.653 | 24294 |
| asthma | 0.652 | 7736 |