Fig. 1From: Correlation of the two most frequent HLA haplotypes in the Italian population to the differential regional incidence of Covid-19Trend over time relative to the number of Covid-19 cases/100,000 inhabitants and deaths/100,000 inhabitants. The graphs report the number of Covid-19 cases/100,000 inhabitants (a) and deaths/100,000 inhabitants (b) at four time points of the epidemic. Red symbols are used for northern regions, blue symbols for central regions and green symbols for southern regionsBack to article page