| Similarity | Rank | |
|---|---|---|
| vaccine | 0.807 | 8077 |
| H1N1 | 0.801 | 28204 |
| vaccines | 0.789 | 12666 |
| Gardasil | 0.781 | 69039 |
| influenza | 0.780 | 17313 |
| antimalarial | 0.766 | 93486 |
| antiviral | 0.758 | 33632 |
| Herceptin | 0.758 | 84291 |
| medicines | 0.753 | 6006 |
| flu | 0.752 | 7168 |
| Influenza | 0.751 | 47326 |
| Avastin | 0.750 | 69176 |
| Acyclovir | 0.745 | 97217 |
| medication | 0.744 | 3126 |
| pneumococcal | 0.741 | 77954 |
| Zovirax | 0.739 | 88585 |
| rotavirus | 0.738 | 82713 |
| pertussis | 0.736 | 61015 |
| antibiotic | 0.736 | 12672 |
| meningococcal | 0.727 | 89555 |
| Zyban | 0.726 | 76264 |
| Lamictal | 0.726 | 83666 |
| Chantix | 0.725 | 70246 |
| Cipro | 0.725 | 52033 |
| Valtrex | 0.725 | 58833 |