'H5N1 is “a big worry,” said Jeremy Farrar, flu expert and outgoing director of the Wellcome Trust. “You would hate to look back in the midst of an H5N1 pandemic and say: ‘Hold on, didn’t we watch this avian population die all over the world and we started to see mammals dying and what did we do about it?’” he told a briefing in London this week.'
https://www.ft.com/content/fc36363f-3991-45e1-8c23-a52db31bf045