| Similarity | Rank | |
|---|---|---|
| prevalence_and | 0.802 | 42083 |
| prevalence_of | 0.800 | 38402 |
| incidence | 0.750 | 14542 |
| the_prevalence_of | 0.749 | 18710 |
| the_incidence_of | 0.714 | 19152 |
| in_the_general_population | 0.704 | 62893 |
| epidemiology_of | 0.685 | 42103 |
| infection_rate | 0.683 | 95541 |
| incidence_of | 0.662 | 38323 |
| risk_factor_for | 0.660 | 45665 |
| morbidity | 0.647 | 50167 |
| morbidity_and_mortality | 0.641 | 95600 |
| mortality_rate | 0.635 | 30260 |
| etiology | 0.635 | 50530 |
| risk_factor | 0.631 | 13772 |
| factor_associate_with | 0.618 | 73775 |
| the_number_of_case | 0.615 | 63472 |
| study_population | 0.609 | 68341 |
| epidemiological | 0.600 | 89295 |
| death_rate | 0.590 | 48499 |
| [number]_per_[number] | 0.578 | 64739 |
| the_total_population | 0.577 | 38968 |
| among_adult | 0.576 | 91406 |
| and_severity_of | 0.575 | 54466 |
| asymptomatic | 0.572 | 98217 |