It’s worth looking beneath the surface at what has driven that steep decline, as it’s far from a one-size-fits all explanation.

In some countries — the UK being the most striking — restrictions have done a lot of the heavy lifting, and this is about adherence as much as policy. pic.twitter.com/t6GYv6RicY

— John Burn-Murdoch (@jburnmurdoch) February 25, 2021