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Table 2 Summary of entomological indicators of malaria transmission in Bindo, Nombakélé and Zilé

From: Assessment of malaria transmission intensity and insecticide resistance mechanisms in three rural areas of the Moyen Ogooué Province of Gabon

Collection site Human biting rate (b/p/n) [95% CI] Sporozoite rate (%) Entomological Inoculation rate
Night (ib/p/night) Monthly (ib/p/month) Seasonal (ib/p/number of months) Annual (ib/p/year)
Bindo
July 2017 0.13 [0; 0.52] 0 0 0
August 2018 0.63 [0; 1.62] 0 0 0
Dry season 0.38 [0; 0.81] 0 0 0
December 2017 30.88 [10.91; 50.84] 2.3 0.71 22.01
May 2018 13.38 [2.71; 24.04] 0 0 0
Rainy season 22.13 [11.09; 33.16] 1.5 0.33 80.2 ib/p/8 months
Annual average 80.2
Nombakélé
July 2017 0.13 [0; 0.52] 0 0 0
July 2018 0 0 0 0
Dry season 0.06 [0; 0.20] 0 0 0
November 2017 9.25 [0; 24.41] 1.5 0.14 4.2
May 2018 0 0 0 0
Rainy season 4.63 [0; 11.28] 1.5 0.07 17 ib/p/8 months
Annual average 17
Zilé
August 2017 4.38 [3.01; 5.73] 13.8 0.60 18.6
Dry season 4.38 [3.01; 5.73] 13.8 0.60 73.2 ib/p/4 months
May 2017 27.38 [7.75; 47.00] 1.5 0.41 12.71
November 2017 62.50 [40.08; 84.92] 2.7 1.69 50.70
February 2018 5.75 [0; 12.26] 0 0 0
Rainy season 31.88 [15.10; 48.65] 2.2 0.70 170.1 ib/p/8 months
Annual average 243.3
  1. b/p/n Bites per person per night, CI confidence interval, ib/p/night infective bites per person per night