CoMix - Age structured contact matrices for 9 key periods of the COVID-19 epidemic in England

Contact matrices from 9 distinct periods of the UK COVID-19 epidemic: Lockdown 1 = 23rd March -  3rd June 2020 Lockdown 1 easing =  4th June - 29th July 2020 Reduced restrictions = 30th July - 3rd Sep 2020 Schools open = 4th Sept - 26th October 2020 Lockdown 2 = 5th November - 2nd December 2020 Lockdown 2 easing = 3rd December - 19th December 2020 Christmas = 20 December 2020 - 2nd January 2021 Lockdown 3 = 5th January - 8th March 2021 Lockdown 3 with schools open = 8th March - 16th March 2021   1. The file: contact_matrices_9_periods.csv contains the mean contact matrices.  2. The nine 'qs' files for the individual periods contain 1000 bootstrap samples of the contact matrix for the relevant period. each column is a different sample. The age-groups are not explicitly detailed, but follow the same order as in the contact_matrices_9_periods.csv file.