| Similarity | Rank | |
|---|---|---|
| influenza | 0.902 | 17313 |
| H1N1 | 0.884 | 28204 |
| measles | 0.854 | 31884 |
| Flu | 0.841 | 27354 |
| mumps | 0.819 | 63582 |
| pertussis | 0.819 | 61015 |
| Influenza | 0.818 | 47326 |
| meningitis | 0.806 | 30455 |
| vaccine | 0.804 | 8077 |
| tetanus | 0.801 | 48712 |
| gastroenteritis | 0.801 | 75608 |
| colds | 0.798 | 23864 |
| chickenpox | 0.796 | 55566 |
| Measles | 0.792 | 93119 |
| dengue | 0.787 | 44634 |
| meningococcal | 0.783 | 89555 |
| norovirus | 0.782 | 89325 |
| rotavirus | 0.780 | 82713 |
| rabies | 0.780 | 29195 |
| vaccination | 0.779 | 15659 |
| flu-like | 0.775 | 57741 |
| MRSA | 0.771 | 27764 |
| diphtheria | 0.769 | 65182 |
| food-borne | 0.768 | 89987 |
| rubella | 0.768 | 67849 |