Sweden tames its ‘R number’ without lockdown
Sweden has been the world’s Covid-19 outlier, pursuing social distancing but rejecting mandatory lockdown. Schools, bars and restaurants are open – albeit with strong voluntary social distancing compliance and streets that often look almost as empty as Britain’s. Has this been enough? Sweden’s public health agency has now published a study of its R number, a metric which the UK is using to judge the success of the lockdown. The UK objective is to push R below one, by which it means it wants the number of new cases to fall. Last week, the UK’s R number was estimated at 0.8 (± 0.2 points), a figure described as an achievement of