Covid-19: How will I know if I have Omicron?
A virologist has been answering questions about the testing process for Omicron.
Current rules mean contacts of new variant cases in England will have to self-isolate, even if fully vaccinated.
BBC Look East presenter Janine Machin put viewers' concerns to Dr Chris Smith from the University of Cambridge.
He was asked how someone with a confirmed case of Covid-19 would know it was the latest variant and whether lateral flow tests could detect it.
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