Fig. 1

Flow chart of 811 patients with influenza-like illness enrolled in Cameroun, 2011–2014. *PCR-1: AdV/HBoV Respiratory Multi Well System r-geneTM (bioMérieux, Lyon, France), *PCR-2: PCR end point developed by Sriwanna et al. [15], *PCR3: In-house real-time PCR developed Leruez-Ville et al. and Watzinger et al. [16, 17]