
As we face continued waves of COVID-19, there have been various calls for the reintroduction of measures like mask mandates and free tests in the UK. But how much of a difference would these sorts of interventions actually make on COVID spread in the omicron era?
Let’s take a look at UK and global data to get an idea. It’s important to focus on 2022, as this data captures the period during which the rapidly spreading omicron variants have been circulating.