But when it comes to providing clear evidence of outcomes, existing interventions have a patchy record.
Our findings build on existing interventions to increase public goods contributions in the real world that have implications for policy-makers50,51,52.
Researchers also considered how aspects of development, such as improved house construction, could complement existing interventions such as insecticide-treated bednets or spraying insecticide on the walls of houses.
"Existing interventions to help people buy their own home have been welcome but scarcely match the scale of the problem," Ms Dugdale will say.
The expensive programme would, he said, put "rocket boosters" under existing interventions.
However, existing interventions to reduce hospitalizations do not account for differences in scopes of practice among licensed nursing staff.
Also paramount is implementation and evaluation of existing interventions, programs, and policies across the population using an integrated and person centered approach.
Examining the efficacies of existing interventions targeting these prognostic factors would inform future studies and whether any of such interventions could be incorporated into clinical practice.
If we scale up existing interventions and add new tools in the hardest-hit countries, it would change the face of AIDS.
Though he said risk assessments have protective value on their own, and still more when they're offered with services, he told me existing interventions are simply too weak and too slow.
Remme 2006 calculated the average cost-effectiveness of existing interventions.
