![A health worker administers a dose of the AstraZeneca-Oxford vaccine at a coronavirus vaccination centre at the Fazl Mosque in London. AFP](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/PDMLGDIA4J3IT6A44MQP2VPAKA.jpg?smart=true&auth=254946ed1832ec2d8de950045895fc17efe9ff6d8abddaba313b3ec09d12b8b2&width=400&height=225)
A health worker administers a dose of the AstraZeneca-Oxford vaccine at a coronavirus vaccination centre at the Fazl Mosque in London. AFP
A health worker administers a dose of the AstraZeneca-Oxford vaccine at a coronavirus vaccination centre at the Fazl Mosque in London. AFP
UK 'will block AstraZeneca vaccine for under-30s if health advice changes'
Concerns over rare blood clots could lead medicines regulator to recommend young people receive other shots