![Screen grab taken from video issued by Britain's Oxford University, showing a person being injected as part of the first human trials in the UK to test a potential coronavirus vaccine, untaken by Oxford University in England, Thursday April 23, 2020. Two volunteers have received the first vaccine trial against the COVID-19 Coronavirus on Thursday. (Oxford University Pool via AP)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/YMLCA3Z54HOHRPB3IBH543WATY.jpg?smart=true&auth=dd753fa499e6634483758961fd8d6c499a57511c97793e632c6801e2636e4490&width=400&height=225)
One of two volunteers receives an injection in the first human trial in the UK to test a potential coronavirus vaccine. AP
One of two volunteers receives an injection in the first human trial in the UK to test a potential coronavirus vaccine. AP
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