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Table 2 Percent mortality at 24 hrs (sample size) of Anopheles gambiae s.ls from Pemba and Unguja exposed to different classes of insecticides over different time periods

From: Challenges for malaria elimination in Zanzibar: pyrethroid resistance in malaria vectors and poor performance of long-lasting insecticide nets

  Pemba Unguja
  June 2010 Dec 2010 April 2011 June 2010
Lambda-cyhalothrin 0.05% 48 (228) 46 (74) 9 (100) 95 (100)
Deltamethrin 0.05% 80 (247) 42 (100) 36 (100) 99 (100)
Permethrin 0.75% 46 (431) 57 (89) 51 (100) 99 (100)
Bendiocarb 0.1% 100 (259) 100 (82) 100 (100) 100 (100)
DDT 4% - 100 (98) 100 (100) -
Malathion 5% - - 100 (100) -
Control 2 (325) 0 (111) 0 (150) 0 (100)