Fig. 4From: Evaluation of the effectiveness of surveillance policies to control the COVID-19 pandemic in São Paulo, BrazilVariation in Testing per 100,000 and Sociodemographic Indicators across Epidemiological Weeks in the Regional Health Departments. Notes Data from RHDs of São Paulo State, Brazil, from March 1, 2020 to June 5, 2021. RHDS ranked from lowest to highest in each panelBack to article page