Fig. 3

Monthly number of respiratory viruses identified in polyclinics. infa, influenza type A. infb, influenza type B. rsv, respiratory syncytial virus. hmpv, human metapneumovirus. piv1–4, parainfluenza virus serotypes 1–4. rhino: rhinovirus. corona: coronavirus. adeno, adenovirus. boca, bocavirus. Each bar indicates the monthly number of viruses identified in policlinics from January 2010 to December 2012