A major covid-19 vaccine trial has launched in the UK.
Thousands of people will be involved in testing the jab from Belgian company Janssen.
It uses a genetically modified cold virus to stimulate the immune system.
The UK is backing several vaccine candidates in the expectation that a number of them will be needed to bring coronavirus under control.
Health Secretary Matt Hancock says the aim remains to be using a Pfizer vaccine within weeks.
IN: "I hope...
OUT: ...the Spring."
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