Omicron became the dominant variant of Covid in the UK in November last year after it was first detected in South Africa and Hong Kong a month previously - but how can you tell if you have it?
New research could help you identify the difference between Omicron and a cold, reports the Mirror.
Research from Norway identified how Omicron affects the fully vaccinated, following a study interviewing 111 of 117 guests at a party on 26 November 2021.
