0 the ability, especially of a medicine or a method of achieving something, to produce the intended result: --
They recently ran a series of tests to measure the efficacy of the drug.
The clinical report shows results of almost 95% efficacy for the vaccine.
Of course, the efficacy of any drug in a study will be different from its actual performance in the population.
Efficacy trials determine whether an intervention produces the expected result under ideal circumstances.
1 the quality of being effective; effectiveness: --
The drug's efficacy has been questioned by consumer advocates.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.