Fig. 2From: Effectiveness of piperonyl butoxide and pyrethroid-treated long-lasting insecticidal nets (LLINs) versus pyrethroid-only LLINs with and without indoor residual spray against malaria infection: third year results of a cluster, randomised controlled, two-by-two factorial design trial in TanzaniaNet usage in all participants of any LLIN (interrupted line) and study LLIN (plain line) in each group over the study periodBack to article page