The UK pre-ordered 40 million doses of the Pzer vaccine, but now the drugs company warn the government’s plan to give booster jabs 12 weeks after initial injection may not work. Concerns have been raised that the UK’s plan to space out Brits’ doses of one coronavirus
vaccine may actually stop the jab from working properly

Pfizer vaccine ‘may not work’ under UK government plan to give doses three months apart – Daily Star