| Similarity | Rank | |
|---|---|---|
| vaccinated | 0.897 | 25412 |
| unvaccinated | 0.855 | 91641 |
| pertussis | 0.831 | 61015 |
| immunize | 0.804 | 94730 |
| vaccine | 0.793 | 8077 |
| rotavirus | 0.791 | 82713 |
| meningococcal | 0.790 | 89555 |
| vaccinating | 0.789 | 79604 |
| measles | 0.778 | 31884 |
| diphtheria | 0.777 | 65182 |
| vaccination | 0.776 | 15659 |
| rubella | 0.775 | 67849 |
| vaccinate | 0.773 | 54917 |
| mumps | 0.770 | 63582 |
| pneumococcal | 0.767 | 77954 |
| immunization | 0.766 | 31040 |
| influenza | 0.763 | 17313 |
| varicella | 0.761 | 92938 |
| immunocompromised | 0.759 | 91969 |
| vaccines | 0.759 | 12666 |
| tetanus | 0.755 | 48712 |
| chickenpox | 0.742 | 55566 |
| HBV | 0.733 | 60733 |
| H1N1 | 0.729 | 28204 |
| hepatitis | 0.727 | 17386 |