| Similarity | Rank | |
|---|---|---|
| mumps | 0.921 | 63582 |
| rubella | 0.909 | 67849 |
| Measles | 0.900 | 93119 |
| diphtheria | 0.898 | 65182 |
| influenza | 0.898 | 17313 |
| meningitis | 0.895 | 30455 |
| rotavirus | 0.871 | 82713 |
| pertussis | 0.869 | 61015 |
| typhoid | 0.868 | 52227 |
| meningococcal | 0.867 | 89555 |
| smallpox | 0.866 | 39417 |
| tetanus | 0.854 | 48712 |
| flu | 0.854 | 7168 |
| polio | 0.854 | 29307 |
| vaccination | 0.850 | 15659 |
| pneumonia | 0.848 | 17056 |
| pneumococcal | 0.846 | 77954 |
| vaccine | 0.845 | 8077 |
| chickenpox | 0.844 | 55566 |
| cholera | 0.834 | 32882 |
| gastroenteritis | 0.834 | 75608 |
| varicella | 0.833 | 92938 |
| dengue | 0.832 | 44634 |
| H1N1 | 0.831 | 28204 |
| vaccinated | 0.826 | 25412 |