Figure 2: National estimates of mean annual rates of medically- and non-medically attended influenza-like illness (ILI) and severe respiratory illness (SRI) associated with seven respiratory viruses in South Africa, 2013-2015 [INF: influenza virus; RSV: respiratory syncytial virus, RV: rhinovirus; HMPV: human metapneumovirus, PIV (1-3): parainfluenza virus types 1-3; AV: adenovirus; EV: enterovirus]