Fig. 1From: How contact patterns during the COVID-19 pandemic are related to pre-pandemic contact patterns and mobility trendsContact matrices (average number of contacts per day) during pre-pandemic times at different locations (at home (a), work (b), school (c), other places (d) and at all locations (e)) based on a survey conducted in 2010-2011  [10, 11] and generated by the Socrates tool [7, 29]Back to article page