| Similarity | Rank | |
|---|---|---|
| Ebola | 0.874 | 11439 |
| swine_flu | 0.677 | 73020 |
| bird_flu | 0.677 | 79601 |
| pandemic | 0.669 | 26455 |
| virus | 0.667 | 2593 |
| outbreak | 0.656 | 10943 |
| avian_influenza | 0.654 | 99042 |
| epidemic | 0.651 | 9792 |
| cholera | 0.651 | 27526 |
| H1N1 | 0.649 | 92062 |
| influenza_virus | 0.642 | 75849 |
| influenza | 0.642 | 26018 |
| measles | 0.631 | 26034 |
| anthrax | 0.630 | 45883 |
| SARS | 0.629 | 52517 |
| an_outbreak | 0.626 | 99315 |
| smallpox | 0.624 | 53441 |
| HIV | 0.621 | 4113 |
| malaria | 0.614 | 9087 |
| dengue | 0.614 | 47346 |
| flu | 0.612 | 15100 |
| yellow_fever | 0.612 | 84774 |
| dengue_fever | 0.600 | 87089 |
| communicable_disease | 0.594 | 59999 |
| infectious_agent | 0.585 | 96875 |