There aren't 200 countries with the resources that the USA has to spend on it. Other powers with large economies also spent a lot - notably, Germany funded the

There aren't 200 countries with the resources that the USA has to spend on it. Other powers with large economies also spent a lot - notably, Germany funded the development of Pfizer's COVID vaccine, and the UK funded the Oxford-AZ vaccine. So, it would not be accurate to say that "operation warp-speed" was unique.