Fig. 3
From: The evaluation of SARS-CoV-2 mutations at the early stage of the pandemic in Istanbul population
A Frequency Percent Graphs of Number of Tests by Monthly Number of Tests (x axis shows number of PCR tests). B Number of Tests (x axis shows number of PCR tests, × 1000). C Total Test numbers by Months/COVID-19 PCR ( +) in KSS- TRH and Türkiye. D Seasonal COVID-19 PCR positive case numbers and positivity rate (%) in KSS- TRH