Fig. 1From: Can climatic factors explain the differences in COVID-19 incidence and severity across the Spanish regions?: An ecological studyRelationship between cumulative UV radiation before the pandemic and cumulative incidence of SARS-CoV-2 infection across the Spanish AA.CC. Ultraviolet radiation was measured in joules per square meter (J/m2), calculating the monthly average total radiation for the 4 months (October to January) before the pandemic onset in SpainBack to article page