| Similarity | Rank | |
|---|---|---|
| CDC's | 0.906 | 62006 |
| SAMHSA | 0.769 | 85331 |
| H1N1 | 0.756 | 28204 |
| Pediatrics | 0.754 | 27743 |
| Immunization | 0.749 | 64508 |
| IOM | 0.742 | 48738 |
| DHHS | 0.741 | 85628 |
| Prevention | 0.736 | 9148 |
| DOH | 0.727 | 71832 |
| Vaccine | 0.722 | 39825 |
| rotavirus | 0.709 | 82713 |
| Influenza | 0.708 | 47326 |
| Infectious | 0.705 | 38588 |
| Epidemiology | 0.704 | 40478 |
| NCI | 0.703 | 53723 |
| MedicineNet | 0.699 | 85448 |
| UNAIDS | 0.699 | 69284 |
| dengue | 0.695 | 44634 |
| Disease | 0.694 | 8318 |
| Gardasil | 0.692 | 69039 |
| pneumococcal | 0.691 | 77954 |
| epidemiologist | 0.689 | 67086 |
| FDA's | 0.687 | 32675 |
| influenza | 0.687 | 17313 |
| vaccine | 0.684 | 8077 |