Delta variant jumps 33,630 in a week, making up nearly all Covid-19 cases in UK June 18, 2021 at 06:12AM

The number of Delta variant infections has jumped by 33,630 in a week to hit a total of 75,953 in the UK, with the highly transmissible variant first identified in India now making up 99 per cent of all Covid-19 cases in the country, health officials warned on Friday.