Evidence of two global Covid waves in 2020, and estimating the pandemic start date

Global Covid waves have been easy to spot in 2021 with their distinctive sine wave pattern, but what about 2020, when testing was largely limited to those with symptoms until late into that year?...More...

UK: one week until B.1.617.2 Delta coronavirus variant takes off

9th June 2021: If the previous waves of Sars-CoV-2 in the UK are anything to go by, Britain is less than one week away from the B16172 Delta variant exploding into another full-blown national health crisis....More...