Abstract
International Journal of Medicine and Public Health,2020,10,3,122-125.DOI:10.5530/ijmedph.2020.3.26Published:September 2020Type:Original ArticleMid-Epidemic Case Fatality Rate - The Case of COVID-19: Reducing the Impact of Wrong Risk PerceptionSukhpreet Deepon Patel, and Purnendu Nath Sukhpreet Deepon Patel1,*, Purnendu Nath2 1Nowrosjee Wadia Maternity Hospital, Mumbai, Maharashtra, INDIA. 2London Business School, Regent’s Park, London, UK. Abstract:Background: In the midst of the current COVID-19 pandemic, the mortality risk being presented by both the media and some public health information providers is often misleading and so increasing the risk of suboptimal policy decisions and lower than desired voluntary compliance rates. Objectives: We make the following contributions. Methods: First and foremost, we explain why the obsessive focus on the post-epidemic retrospective Case Fatality Rate is misplaced and explain why the focus must necessarily be on a time-varying mid-epidemic measure. Second, we introduce a Mid-Epidemic Case Fatality Rate (ME-CFR) framework and explain, using this framework, why the mortality risk as often presented during the COVID 19 pandemic is inappropriate and downward biased. Third, we explain how the ME-CFR is related to the numbers being released for Cases, Deaths and Recovered. Fourth, we propose one such easy to use ME-CFR methodology for estimating the risk of death at a point in time when infected in the midst of an epidemic. Results: Present an illustrative example of such ME-CFR curves along with some commentary for 3 very different countries (India, South Korea, USA) for the current COVID 19 pandemic. Conclusion: We believe that if the professional publications and media switch to this measure of mid-epidemic outcomes, policymakers and the general public will make better decisions, leading to better outcomes for COVID 19 and for future epidemics and pandemics. Keywords:COVID-19, Mid-Epidemic CFR, Risk PerceptionView:PDF (348.2 KB)
Highlights
In the midst of an epidemic or pandemic, in order to provide a quantitative measure to the public or policymakers the focus is typically towards an estimate of the ‘probability of death’ if infected by the relevant pathogen
It was the 11th March 2020 declaration by the WHO that started the era of the COVID-19 pandemic as being a pandemic
We present the ME-CFR, Mid-Epidemic Case Fatality Rate, based on our framework using a single b t
Summary
In the midst of an epidemic or pandemic, in order to provide a quantitative measure to the public or policymakers the focus is typically towards an estimate of the ‘probability of death’ if infected by the relevant pathogen. It is important, that, in retrospective studies, we understand what the postevent Case Fatality Rate (CFR) was for a given past epidemic. The focus ought to be on tackling a curve, not a point We call this curve the Mid-Epidemic Case Fatality Rate (ME-CFR). If all citizens have a feeling of being empowered by the terminology and language that we all use, we would collectively produce better ex post outcomes in an epidemic
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