Translation of "Efficacy" in French

They have greater political efficacy.

et ont un meilleur impact politique.

Don't confuse "efficacy" with "efficiency".

Ne confondez pas efficacité et rendement.

How poorly distributed the antivenoms are, and how patchy the antivenom efficacy is.

la mauvaise distribution et l'irrégularité de l'efficacité de l'anti-venin,