In my last post, we did research on COVID-19 death rate based on the ratio between the number of deaths and the number of confirmed cases. However, this method is inherently flawed. Some infected people did not show up at a hospital or a testing station to get tested. As a result, the death rate is exaggerated. Blood antibody tests on randomly sampled residents in Santa Clara, California in early April shows that the number of people infected is 55 to 85 times more than confirmed cases (https://www.cnn.com/2020/04/17/health/santa-clara-coronavirus-infections-study/index.html). Thus, the real death rate for people who infected with coronavirus is between 0.1% and 0.17% which are similar to that of flu. We use the following charts to illustrate two ways of calculating death rates. COVID-19 Death Rate (Flawed) = Number of Deaths/ Number of Confirmed Cases
Monday, April 20, 2020
Thursday, April 02, 2020
Study on COVID-19 Annualized Death Rate
Probably this is the first time you see a chart like this. When people hear COVID-19 death rate for older people is high, they panic. We did research and published a paper on COVID-19 death rate( Study on COVID-19 Annualized Death Rate). Please notice the death rates for COVID-19 are "annualized". But we have to look at things in context. When COVID-19 death rate is annualized, it can be compared with other statistical data that are on annual basis. This is the key contribution of our research.
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