Here we present results of underreporting estimation for daily series of PCR+ or clinical diagnosis counts for different Provinces of Castilla y León. By April 16, 2020 the number of confirmed cases is 14,290 and the reconstruction of our model gave 21,589 cases. This means that there are 7,299 or 51% of non-reported cases with respect to the observed. Data from Ministerio de Sanidad.
