[hm10]

Of course, do you think they would be hurting for money once they have a vaccine developed? The demand will always be there. They just took the risk with their own money. They have been in the business for decades and they know how to sell a prized drug - with or without a buyer already lined up. A commitment to purchase doesn't mean much in a "seller's market". It will be profitable for the company either way - with or without a pre-contract.

[usaphp]

Not necessarily, even if another company beats them to market and has a better vaccine - they will still get $2bln, it's easier to work when you are not under time pressure to beat the market.