Government deal with BioNTech paves way for early access to trials of personalised mRNA therapies Trials of personalised cancer vaccines in England are to be speeded up after a government deal with a firm behind one of the major Covid jabs. The UK health secretary, Steve Barclay, is to sign a memorandum of understanding with BioNTech on Friday to "ensure the best possible treatments are available as soon as possible" for cancer.