Fig. 2From: Point prevalence mapping reveals hotspot for onchocerciasis transmission in the Ndikinimeki Health District, Centre Region, CameroonTrends in Onchocerca volvulus infection rates between 1991 (baseline) and 2019 (follow-up) in the Ndikinimeki Health District. Both the baseline (1991) and the follow-up (2011) surveys were carried out by the National Onchocerciasis Control Programme (NOCP), with the support of the African Programme for Onchocerciasis Control (APOC) (NOCP, unpublished reports)Back to article page