Fig. 16.

Values of the correlation coefficients for the provinces of Madrid (top, maximum $|\rho (\text{Mob})|=0.67$), Barcelona (bottom left, maximum $|\rho (\text{Mob})|=0.56$) and Badajoz (bottom right, maximum $|\rho (\text{Mob})|=0.41$), between IgG positive tests and both mobility and distance. The black vertical line corresponds to the lockdown of 14 March 2020; the read line is just 14 days later