Quantifying the impact of physical distance measures on the transmission of COVID-19 in the UK

Christopher I Jarvis; Kevin Van Zandvoort; Amy Gimma; Kiesha Prem; Petra Klepac; G James Rubin; W John Edmunds

is the (which was not peer-reviewed) The copyright holder for this preprint . https://doi.org/10.1101/2020.03.31.20049023 doi: medRxiv preprint For every recorded contact, participants documented the age and gender of the contact, relationship to the contact, the frequency with which they usually contact this person, whether contact was physical (skin-to-skin) or not, and the setting where the contact occurred (e.g. at home, work, school, or while undertaking leisure activities, etc), including whether contact occurred in-or outside an enclosed building. Questions on social contacts were consistent with those from the UK arm of the POLYMOD survey 13 , which was used as the baseline prepandemic comparison dataset. Details on survey methodology and a copy of the questionnaire used are provided as supplementary material.