| Similarity | Rank | |
|---|---|---|
| Swine | 0.797 | 45975 |
| influenza | 0.782 | 17313 |
| H1N1 | 0.778 | 28204 |
| flu | 0.760 | 7168 |
| pigs | 0.758 | 11587 |
| avian | 0.756 | 31486 |
| rabies | 0.756 | 29195 |
| salmonella | 0.743 | 40541 |
| H5N1 | 0.741 | 35572 |
| measles | 0.739 | 31884 |
| vaccinating | 0.737 | 79604 |
| botulism | 0.734 | 75406 |
| vaccine | 0.731 | 8077 |
| vaccines | 0.727 | 12666 |
| poultry | 0.716 | 13443 |
| rotavirus | 0.715 | 82713 |
| zoonotic | 0.711 | 98032 |
| Ebola | 0.710 | 80746 |
| smallpox | 0.704 | 39417 |
| unvaccinated | 0.703 | 91641 |
| food-borne | 0.702 | 89987 |
| pandemic | 0.701 | 22984 |
| antibiotic-resistant | 0.700 | 89764 |
| encephalitis | 0.699 | 57536 |
| pox | 0.699 | 40425 |