GlaxoSmithKline and Sanofi Pasteur could supply vaccine by early next year if successful
- UK signs deal for fourth potential coronavirus vaccine
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Britain has become one of the biggest buyers of potential vaccines against Covid-19, following an agreement to purchase a fourth vaccine that takes the UK stockpile to 250m doses so far.
In a worldwide scramble, which has been criticised by campaigners who warn vaccine nationalism will cause billions of people in poorer countries to lose out, the UK, the US and EU are in effect securing their own supplies. Wealthy countries are able to take a gamble, signing deals for vaccines that may not work.