Fig. 2From: Efficacy of PermaNet® 3.0 and PermaNet® 2.0 nets against laboratory-reared and wild Anopheles gambiae sensu lato populations in northern TanzaniaContact bioassays for the permethrin tolerant Anopheles gambiae, a knockdown effect; b mortality rate after 24 h, before washing, after washing 20 times and after experimental hut trialBack to article page