Some charts from the UK where deaths are down by 99%. They have the NHS and high vaccine take-up. Their expert committee recommended delaying boosters to expand coverage. They also had a lengthy restricted period. Now getting ready to lift more restrictions and focus on boosters.

Let's highlight this excellent piece by @ZoeMcLaren on the power of exponential *decay.* On the way up, waiting a week too long to act has disproportional terrible impact. On the way *down*, waiting just a bit more to relax has the opposite amazing effect. https://www.nytimes.com/2021/04/29/opinion/covid-exponential-decay.html

For a great formal paper on what exponentials mean on the way up —with a thread explaining it— see below. Abstract: "For robust control, an intervention must be strong, early, and ideally sustained" aka throw whatever you have at it as early as possible. https://twitter.com/dylanhmorris/status/1384643623061360640