| Similarity | Rank | |
|---|---|---|
| vaccines | 0.941 | 12666 |
| vaccination | 0.882 | 15659 |
| rotavirus | 0.879 | 82713 |
| influenza | 0.867 | 17313 |
| H1N1 | 0.864 | 28204 |
| pertussis | 0.858 | 61015 |
| Gardasil | 0.851 | 69039 |
| meningococcal | 0.848 | 89555 |
| measles | 0.845 | 31884 |
| pneumococcal | 0.839 | 77954 |
| vaccinating | 0.829 | 79604 |
| rubella | 0.826 | 67849 |
| vaccinated | 0.825 | 25412 |
| varicella | 0.814 | 92938 |
| vaccinate | 0.814 | 54917 |
| mumps | 0.809 | 63582 |
| immunization | 0.809 | 31040 |
| Tamiflu | 0.807 | 58208 |
| diphtheria | 0.807 | 65182 |
| flu | 0.804 | 7168 |
| MMR | 0.803 | 49051 |
| tetanus | 0.798 | 48712 |
| vaccinations | 0.798 | 22129 |
| HPV | 0.796 | 19306 |
| immunized | 0.793 | 63896 |