(waaaay) Down the track...

..it will also be interesting to see whether the H7N9 circulation had an unusual impact on "seasonal" respiratory viruses like parainfluenzaviruses (PIVs), enteroviruses (EVs) and rhinoviruses (HRV) which reportedly, like influenzavirus, can peak in Beijing and Shanghai around May (Ren et al., Clin Microbiol Infect 2009;p1146-; Wang et al. J Clin Virol 2010;p211-)