That's not how it works.
Governments have regulatory powers. They can stipulate prices, control quality, etc and so forth. Companies can be fined for breaching regulation.
Ultimately, the government itself can even establish vaccine production to distribute among the population if necessary.
> Governments have regulatory powers.
Which part of "bribe the government" didn't you understand, assuming you read my whole message?
> The government itself can even establish vaccine production to distribute among the population if necessary.
Right. Let that be done.