Fig. 5From: Larval ecology and infestation indices of two major arbovirus vectors, Aedes aegypti and Aedes albopictus (Diptera: Culicidae), in Brazzaville, the capital city of the Republic of the CongoInfestation indices of Aedes spp. according to each borough. a BI, Breteau index (and 95% confidence interval). b HI, house index (and 95% confidence interval); black and red dashed line, represent the yellow fever and dengue epidemic threshold, respectively, defined by the WHO and PAHOBack to article page