13 April at

E :  World COVID-19 data this day

(ce même article, mais en français)


From Johns Hopkins CSSE


JH CSSE - April 13, 2020 at 06h05m21s


185 countries of the world, sampled by Johns Hopkins CSSE this morning.

Notice that the format has changed. Number of tests have been added. Deaths and Recovered figures are now in the same window at right, each accessed with its own tab. 

It makes it a bit more complicated to recover data. In exchange more data are presented. We'll see ...


World Population (to allow calculation of world prevalence of COVID-19) :


World Population - April 13 at 07h22m33s


Raw and Derived Data :

CSI - April 13, 2020



 Above Raw and Derived data, as PDF



  • The CoronaStavelot Index (CSI) increased from yesterday, 0.023260%, to today's value of 0.024216%. That's a 4.11% increase in prevalence around the world. Yesterday: 4.65%. Day before: 6.01%.  Three days ago : 7.91%.  Increasing at a slower rate. We'll take what we can get. 
  • The CSI represents the best estimate of Total Confirmed Cases of COVID-19 (from Hopkins) on this date, at this time, ... divided by the best estimate of the Total World Population (Census bureau) at the same date and time.
  • One can express it as: "Total Confirmed Cases of COVID-19, represent 24.2 one-thousandths of 1% of the Total World Population." An increase since yesterday. That's an estimate of prevalence of confirmed cases of coronavirus in the global population.


Trends #1 

From Feb 27 to today, Apr 13


Trends 1 - April 13, 2020


Trends #2

Trends 2 - April 13, 2020

Trends #3

In the last week ... 

Trends 2wk - April 13, 2020

Trends #4

Today ...

Trends 3 - April 13, 2020


  • (red bar): the number of people in the world Currently ill with COVID-19, compared with this value on February 27, increased by 2,710%. (More people Actively Sick at present, when compared with 27 February).
  • (green bar): the Confirmed Cases of COVID-19, compared with those of February 27, increased by 2,153%. This is the change in "world prevalence."
    • (This counts the cases, independent of current status or final outcome. i.e., it includes thosewho have died and recovered from their illness).  It is an answer to the question: "Just how much of this disease have we had since the start?"
  • (blue bar): the Deaths due to COVID-19, compared with those of February 27, increased by 81.1%. Yesterday, 79.6%. Day before : 75.5%
  • (yellow bar): Total Recovery after COVID-19, compared with those of February 27, decreased by -41.89%. Yesterday, -43.19%. Negative values are always a little harder to understand. On February 27, 40% of thise who had become infected with COVID-19, had recovered. Today April 12, 23.27% of those infected have recovered, 22.75%, yesterday.  Day before: 22.2%. New cases are still outpacing the recovery.



  • COVID-19 is still increasing throughout the world, but at a slower rate
  • Deaths from COVID-19 remain an infrequent outcome, but are increasing slightly.
  • Recovery from COVID-19 is gradual but constant.


Change in number of Active Cases

Change in Actively ILL - April 13, 2020



  • The number of Actively Sick with COVID-19 continues to increase worldwide.
  • This value of Actively Sick has now increased   (28.1x) to 2,711% above that value on February 27.
  • Number of actual Actively Sick calculated from the Johns Hopkins data this morning, is 1,305,939 worldwide. The equation predicts slightly more for this day: 1,368,044. This is 62,105 ABOVE the actual value. Yesterday: 40,661 ABOVE actual. So the total of actively ill worldwide, continues to increase, but at a rate that is slower than predicted. 
  • This third order polynomial or quadratic relationship defines the data up to today quite well, (on target 99.59% of the time) with an error in this estimate of 4,756%, slightly above actual cases. Yesterday: 4,335% error.
  • It suggests that if nothing changes in the variables that determine those Actively Sick worldwide, this value will be at 1,443,607 tomorrow.


In PlainSpeak ...

At the present time, those Actively Sick with COVID-19 worldwide continue to increase in number.

The rate of increase is currently slowing day by day.

The above equation is adjusted each day with new data. If one applies yesterday's equation to today's actual value, it over-predicts today's actual value by about 7%. The coefficient for the x³ variable continues to decrease from 3.2804 yesterday (below), to 1.0501 today (above). Things are changing.



Yesterday\\\'s equation over-predictes today\\\'s Actually ILL - April 12, 2020



Globally, more people became sick with COVID-19 once again since yesterday, but at a slower rate. 


Prevalence ( how much disease burden by country? ) - sample of 25 countries

All values are current as of this morning, Monday, April 12, 2020 at 9:06AM.


Prevalence - April 13, 2020

Above prevalences, ranked (25 countries)

Presented with the number of Days of Infection.


Prevalence, ranked - April 13, 2020


Sorted by Days of Infection.

Prevalence, ranked by Days of Infection - April 13, 2020


Here is an interesting comparison.

Prevalence ranked by Death rate per million in habitants.


While Switzerland has a higher prevalence (cases per million) than Belgium, it has a lower Death Rate, 41% of that observed in Belgium.  This reminds us that the SARS-CoV-2 virus, and the COVID-19 disease that it causes, comes in contact not only with a population, but with a health care system in each country. Those systems are not equal. Belgium's is ranked n°21 from the top, and Switzerland n°20 worldwide. (USA is n°37 on the list of health care systems worldwide).



Deaths per Million inhabitants (Belgium n°3) - April 13, 2020


Here is a report that covers health care system responses to COVID-19 in Belgium, France, Germany and the Netherlands. It permits some interesting comparisons. It gets us thinking in the right direction.


Healthcare system Performance Scores (11 countries)



Deaths Amenable to Health Care


Of course, such differences exist not only between countries, but regionally with a given country. Here for instance are results for States in the United States.


Regional differences in health care in the USA


These regional differences therefore certainly exist.

But what factors contribute to creating these differences?

Which ones can be improved?




Back to our usual presentation ...


Most will recover. If not soon, eventually.

Recovered - April 13, 2020



Unfortunately, some are still dying of COVID-19.

Deaths (CFR) - 13 April, 2020



The raw data for Deaths in these 25 countries

USA has now experienced more deaths than Italy.

Belgium has now had 257 deaths more (3,600), than the deaths experienced in China (3,343).


Deaths - Raw Data - April 13, 2020


Deaths per million inhabitants

Deaths per million pop - April 13, 2020


Actively Sick with COVID-19 (est. 79.6% mild; 13.6% severe; 4.9% critical), 25 countries 

I notice, of the countries around the one where I live, Switzerland, Germany, Austria: making progress.


Actively ILL - April 13, 2020

Time to continue your list of the positives arising from all of this. Here are my entries : 

  1. Less debate and argument; more Solidarity.
  2. Reduction in CO2 and greenhouse gases.
  3. Decide to just get up and go nowhere.
  4. Time for expression: write a poem.
  5. Notice: where I live, the move towards Spring is well under way (green and growing).
  6. Moments of humor, when laughing happens spontaneously. Even when alone.
  7. Flowers from the garden, placed in a vase as a reminder of life, each time I pass. Looking closely.
  8. Greeting the deer who come down in the morning to see how we're doing and where we've been.
  9. An opportunity still exists for taking a nice warm bath. And this day, no rush.
  10. Find even small improvements in a situation, and let them grow inside of yourself, thereby helping them to grow even more outside of yourself. That those actively ill are still increasing in number worldwide is true. That this rate of increase now seems to be diminishing, is also true and to be supported by doing all that we are currently doing (social distancing and hygiene) and not doing (grouping together).
  11. Thankful for all the suppliers who make shopping for food, still possible.
  12. Very grateful to all those who have participated so far in our questionnaire, guiding our work here.
  13. A noticeble quiet in our sourroundings.
  14. Bill collectors seem much less active.
  15. There are moments of mental lucidity. For example: I had already lived through some crappy periods in my life, but I think this one takes the cake.
  16. Thankful to not have to be on the front lines as this approaches. Praying for those who are.
  17. Centering : spending more time doing things that should make a difference. Less counting.
  18. "Hope springs eternal in the human breast."
  19. Distance may separate me physically from my family. But we are constantly with each other. That can never be confined.
  20. Grateful for all those who sell and deliver items purchased online. It's still possible. (But wipe the box with Clorox before opening! (Didn't use to do that) ...
  21. An increase in the numbers of moments of absolute silence.
  22. Math can be tedious. A times very revealing. And that's a positive.
  23. Sleeping. Solid as a rock.
  24. There seems to be an increased ability to listen. To others, but also to oneself.
  25. Land mines do not usually go off by themselves. You have to step on them. Stay isolated !
  26. Essential items are recognized more easily.
  27. Imagine if one day somebody appears and says: "You know, all this confinement stuff was not really necessary. All you had to do was ... " Couldn't you just punch a guy like that in the face?
  28. Returning to things ignored for too long (working in the quiet and smells of the greenhouse).
  29. Identifying more clearly, one's limits of patience.


This world view in French >>>>>>


Results in Belgium this day (also in French) >>>>> 


An update on our page about wearing masks >>>>>>





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