Tag Archives: coronavirus

Switzerland: COVID-19 situation and vaccine rollout

Switzerland has fully vaccinated 8% of the population, somewhat ahead of France and Germany and some other EU countries (see first figure). For some reason, the percent of people who have received at least one vaccine is no higher than … Continue reading

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What are the risks of the AstraZeneca vaccine?

Currently, several EU countries are suspending use of the AstraZeneca vaccine, or recommending it not be used in various younger age groups, due to reports of blood clot risks. Australia has decided to delay rollout of vaccination for younger adults … Continue reading

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A Covid Performance Index for countries

An Australian think-tank, the Lowy Institute has produced a Covid Performance Index and used it to examine the impact of geography, political systems, economic development and population size on the Covid-19 outcomes around the world. The COVID Performance Index compiled … Continue reading

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The second wave of the Covid-19 pandemic

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

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?

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

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

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

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

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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