The Omicron variant, which was designated a " variant of concern " by the World Health Organization (WHO), has more than 30 mutations in the spike protein alone. The WHO has reported that preliminary evidence suggests an increased risk of transmission compared to other variants of concern.
Read more about UK reports 35,204 cases of Delta Covid -19 variant in last week, up by 46% on Business Standard. With 35,204 new cases of the Delta Covid-19 variant getting reported last week, the UK has seen a 46 per cent increase in the variant of concern, the Public Health England (PHE) said