BMC Infectious Diseases, Vol 18, Iss 1, Pp 1-10 (2018) BMC Infectious Diseases BMC Infectious Diseases, BioMed Central, 2018, 18 (1), pp.269. ⟨10.1186/s12879-018-3181-y⟩ Global Influenza B Study group 2018, ' Distribution of influenza virus types by age using case-based global surveillance data from twenty-nine countries, 1999-2014 ', BMC Infectious Diseases, vol. 18, no. 1, 269 . https://doi.org/10.1186/s12879-018-3181-y BMC Infectious Diseases, 18(1):269. BioMed Central