Current as of March 16, 2020 Case fatality rate data from three countries shows that older populations are at greater risk overall Data as of February 11 in China, 2020, and as of March 16 and 15, 2020, in South Korea and Italy, respectively Context Case fatality rate (%) by age segment South Korea China Italy WHO has estimated 20.2 global case fatality rates at 3.4% Rates vary significantly by age, 14.8 Fatalities may co-morbidity, health lag incremental system strength and 12.5 case reporting other factors 9.3 8.0 6.8-7.2% 5.3 Avg Italy1 3.6 3.5 2.3-4.0% 1 1.3 1.4 Avg China 0 0 0 0 0.2 0 0 0.2 0 0.10.2 0.3 0.10.4 0.4 0.4 1.0 0.8-0.9% Avg South Korea 0-9 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80+ Age range 1. Note - data reported from China Feb 11 reports 2.3%, however latest deaths/cases from WHO indicate this may be higher Source: L’Istituto Superiore di Sanità (ISS) Italy, WHO, Korea CDC, China CDC McKinsey and Company 11