. 2019 Aug 24;14(6):622–629. doi: 10.1111/irv.12672
© 2019 The World Health Organization. Influenza and Other Respiratory Viruses published by John Wiley & Sons Ltd.
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.