Fig. 1From: Estimating the impact of reopening schools on the reproduction number of SARS-CoV-2 in England, using weekly contact survey dataContact matrix for all contacts in England by age comparing lockdown 2 and lockdown 3 and the absolute difference of the cells of the matrices. Contacts truncated to 50 contacts per participant. Lockdown 2 data from 5 November to 2 December 2020 and lockdown 3 data from 5 to 18 January 2021Back to article page