Table 1 Classification of selected studies
Categories | Number of studies (%) |
|---|---|
Clinical research | 417 |
Clinical trials (Phases1-4) | 168 (40%) |
Burden or disease/epidemiology | 100 (24%) |
Other clinical studies | 149 (36%) |
Operational research | 431 |
Programme management | 332 (77%) |
Policy | 78 (18%) |
Vaccine financing | 21 (5%) |