NEW: Saturday update of latest UK Covid data
— John Burn-Murdoch (@jburnmurdoch) January 2, 2021
The trend in test positivity since Christmas is genuinely scary, with lines climbing almost vertically in all English regions.
On Christmas eve 17% of tests in London came back positive. Four days later that was 24% and accelerating pic.twitter.com/N70QHlhxHM