Tag Archives: COVID-19

Are the Lancet authorship criteria adequate?

Posted on September 27, 2020 by

In May, the Lancet published a peer-reviewed study claiming to analyse data from nearly 15,000 patients who had received the drug hydroxychloroquine for treatment of Covid-19. The study concluded that patients who received the drug were dying at a higher … Continue reading →

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The second wave of the Covid-19 pandemic

Posted on August 28, 2020 by

Today, I took another look at the second wave of the Covid-19 pandemic using data on confirmed cases downloaded from the Johns Hopkins University CCSE data repository. This post focuses mostly on western European countries, with a few others like … Continue reading →

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An update on coronavirus in Geneva and Victoria

Posted on August 5, 2020 by

Switzerland currently bans entry from countries with more than 60 new infections per 100,000 population in the last 14 days. Geneva passed that threshold on 27th July, and passed 100 new cases per 100,000 on 1 August. So if Geneva … Continue reading →

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Covid-19: which countries are succeeding and not succeeding?

Posted on July 7, 2020 by

There is now sufficient data on social distancing, lockdown, and other measures that researchers are starting to assess the effectiveness of these measures. The July 4th edition of The Economist has an article summarizing what is becoming clear.  Extensive testing … Continue reading →

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An out-of-control pandemic in most world regions

Posted on July 6, 2020 by

I downloaded the Covid-19 data up to 5 July from the JHU Github today and plotted smoothed new cases per day (average over last 7 days) as rates per million population by world region. The dramatic difference in trajectories for … Continue reading →

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Two different pandemics: the USA and Europe

Posted on June 24, 2020 by

The trajectories of COVID-19 have been dramatically different in the USA and Europe. Currently there are close to 30,000 new cases per day in the USA, compared with around 3,000 per day in the European Union (and around 20 per … Continue reading →

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Imperial study estimates 3.1 million deaths averted by the lockdown in Europe

Posted on June 10, 2020 by

I’ve stopped doing my own graphs to check trends for coronavirus. The 91-divoc.com website has added daily cases and daily deaths time series as well as moving 7-day average time trends to its visualizations, and has plots for countries for … Continue reading →

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Machine learning projection model for Covid-19

Posted on May 31, 2020 by

Youyang Gu, an independent data scientist, has created a statistical projection model for Covid-19 (https://covid19-projections.com/) that uses machine learning techniques to fit a classical SEIR infectious disease model to the data for daily confirmed cases and deaths, taking into account … Continue reading →

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Country progress to 9 May in controlling COVID-19 epidemics

Posted on May 10, 2020 by

I downloaded the latest COVID-19 data for reported deaths and confirmed cases from Johns Hopkins this morning to see whether the data supports the relaxation of social isolation that is starting to happen in many countries. The USA now has … Continue reading →

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COVID-19 projections and reality

Posted on May 6, 2020 by

On 27th April, I posted some short-run projections of COVID-19 cases and deaths. The plots below show how the daily new cases per million population and deaths per million population compare with reality (at least the confirmed case rates and … Continue reading →

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