Many many countries, leaders, and elite globalists were involved. This planned bioweapon was planned long ago. It started in US labs and was moved to China. Canadian labs, Ukraine labs many more. The bioweapon was initiated long before these people came to power. Bill and Melinda Gates.
Until the entire plan is mapped out from secret society papers no one can specifically be blamed. Not Xi, not Trump, this is far too important to allow scapegoats to take the blame.