Monthly Archives: April 2020

COVID-19 short-run projections

Posted on April 27, 2020 by colinmathers

Purely statistical predictions of future trends in COVID-19 deaths or cases, even including predictive covariates, have been unable to make sensible forecasts that are not highly sensitive to slight additions of data. The only useful models have been the more … Continue reading →

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Critics agree that IHME COVID-19 projection model is flawed

Posted on April 18, 2020 by colinmathers

I downloaded the latest IHME update of its COVID-19 projections yesterday to do another evaluation. Their projections still look very problematic. Other disease modellers and epidemiologists are coming to the same conclusion. An article just published in Statnews was much … Continue reading →

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How useful are IHME projections of the coronavirus pandemic?

Posted on April 14, 2020 by colinmathers

The Institute for Health Metrics and Evaluation (IHME), based at the University of Washington in Seattle, caused considerable alarm on 7 April when it released projections of Covid-19 deaths which predicted total deaths for the UK would be the highest … Continue reading →

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How does population age structure affect overall case fatality ratios for COVID-19?

Posted on April 1, 2020 by colinmathers

The first graph shows coronavirus deaths in Italy up to 26 March 2020 by sex and age. The overall case fatality rate for lab confirmed cases is 11.1% and 70% of deaths are male (closer to 80% below age 80, … Continue reading →

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