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The global COVID-19 pandemic starting in early 2020 has led to considerable impact on healthcare systems in every country around the world. With massive influx of COVID-19 cases, hospital workers are struggling with providing the limited healthcare resources to each and every patient. One of the most important resources, intensive care unit (ICU), can be vital to the lives of the most severely-impacted patients, and therefore must be distributed efficiently to ensure the patients’ are saved before such resources are runned out.

Having realized the importance of this issue, hospitals in Sírio-Libanês, São Paulo and Brasilia published data on their…

An Exploratory Data Analysis in Python and Tableau


Since the start of the COVID-19 pandemic in 2020, governments throughout the world have been implementing considerably different policies to combat the virus. It draws my interest that a few countries (e.g. Sweden) are not implementing any quarantine or lockdown measures based on the epidemiological concept of “herd immunity”. As the name suggests, it is achieved when a large proportion of a population “becomes immune to an infectious disease” so that its spread is significantly contained. Without the popularization of an effective vaccine last year, the government of Sweden adopted the “herd immunity” approach to let the majority of the…

David Cheng

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