Well, if COVID was really an avian flu pandemic then you'd think the infection fatality rate would be higher than 0.3%.
There's a new Disease X that they're talking about currently. In fact there's a meeting about it on the 17th.
'With fresh warnings from the World Health Organization that an unknown “Disease X” could result in 20 times more fatalities than the coronavirus pandemic, what novel efforts are needed to prepare healthcare systems for the multiple challenges ahead?
This session is linked to the Partnership for Health System Sustainability and Resilience and the Collaborative Surveillance Initiative of the World Economic Forum.'
Preparing for Disease X - WEF