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. 2020 Oct 15;103(6):2382–2390. doi: 10.4269/ajtmh.20-0862

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© The American Society of Tropical Medicine and Hygiene

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Figure 5. — Correlation between the percentage of positive results among performed tests (POS%) and case fatality rate (CFR) during the 2020 COVID-19 outbreak in Italy and Lombardy. (A) Correlation between POS% and CFR^a, based on Italian data. (B) Correlation between POS% and CFR^a, based on data from Lombardy. Black dots: data from February 24 to February 29. Blue dots: March 1–24. Red dots: March 25–April 13. Green dots: April 10–13 (only data from Lombardy). ^aCase fatality rate is calculated by dividing the number of deaths in patients who tested positive for COVID-19 by the cumulative number of cases at a specific point in time.