Even if they tried to double the manufacture, they still need other elements of the supply chain, basics such as hundreds of millions of glass vials, to accelerate the distribution.
See also the special syringes that get the 6th dose out of the pfizer vials, but of which there is now (unsurprisingly) a worldwide shortage.
See also the special syringes that get the 6th dose out of the pfizer vials, but of which there is now (unsurprisingly) a worldwide shortage.