More than 100,000 people have signed up to take part in future NHS trials of a coronavirus vaccine - but more volunteers are needed, researchers say.
They want as many people as possible to enrol, to speed up their efforts to find a safe and effective jab.
And they are particularly looking for more volunteers from the "high-priority groups" disproportionately affected by the virus - those belonging to ethnic minorities or aged over 65.
Volunteers can register online.
Kate Bingham, who chairs the UK's vaccine taskforce, said: "These trials are safe, please sign up.
"The quicker we get the clinical trials enrolled, vaccinated and get the results, the quicker we can get a vaccine."
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