August 5, 2020

The evolution of the coronavirus in Spain, day by day



Data from the Ministry of Health updated to May 17, 2020.

In Spain there are already 277,719 confirmed cases of COVID-19, 27,650 people who have died with this disease, and 149,576 have been cured, according to the latest update published by the Center for Coordination of Health Alerts and Emergencies (CCAES).

The confirmed cases in this information refer to the total number of infected detected with PCR test, antibody test that presented symptoms and also those infected asymptomatic at the time of diagnosis.

The following graph shows the daily evolution, in gross, of the progression of the coronavirus in Spain: number of total confirmed cases, the number of confirmed cases detected with PCR tests, the number of people who have overcome the disease and have been discharged, and the number of people who died with COVID-19. The data is updated with each new official communication from the Ministry of Health.

So ha
        evolved the number of cases totals, high and
        deaths in Spain

Total number in Spain of confirmed cases of COVID-19 confirmed according to total cases, people who have recovered or who have died


* The balance of the Ministry of Health from Friday, April 17 toIt updates the historical series on deaths and recoveries in Catalonia and corrects the data originally published up to this date.

Cases by PCR and by rapid test

On April 15, the Ministry of Health records the confirmed cases separated into those detected with the PCR test, which measure the presence of the virus in the body, and those identified with rapid tests, which indicate whether the patient has developed antibodies to the virus.

Since the arrival of these rapid tests, which measure the presence of antibodies, the evolution of the number of cases is no longer so indicative of the rhythm of the epidemic because the people who test positive could have been infected long ago.

The following table shows the number of cases detected and the number of new positives in each of the tests.

Which communities are most affected?

Coronavirus cases in Spain, however, are not evenly distributed throughout the territory. The breakdown of the previous data in each autonomy can be found on the following interactive map. It includes the number of confirmed cases in each community, the number of people who have been discharged from each community and the number of deaths in each autonomous community.

Cases per inhabitant in each community

The data of cases detected in each autonomous community show the total number of infected and how the infection has evolved, although they do not indicate the degree of penetration of the virus compared to the number of inhabitants.

To find out what percentage of the population has been identified as contagion by the coronavirus, we have calculated the rate of confirmed cases and the number of deaths in each autonomy per 100,000 inhabitants.

The daily evolution in each territory

The impact of the SARS-CoV-2 virus is not being the same in all regions of the country. Community of Madrid, Catalonia and Castilla-La Mancha are being the most affected territories. From the reports of the Ministry of Health we can know how many total cases each autonomous community has confirmed daily.

How the cases have grown totals of coronaviruses in each community

Daily evolution of the total number of COVID-19 cases in each autonomous community


New daily cases registered

The following interactive graph shows the number of new deaths and new cases daily in each community. Each square is one day. Click on them to see how many cases of coronavirus had been detected up to that day and how many new cases and deaths were confirmed compared to the previous day in that territory.

The trickle of cases and deaths of
    coronavirus by autonomous communities

New confirmed daily cases and new coronavirus deaths in each autonomous community, according to reports from the Ministry of
    Health


Outbreak development, by community

In addition to the total figures, to better understand the evolution of the coronavirus in each territory, eldiario.es has calculated the number of deaths with coronavirus and confirmed cases as of the day that more than 10 deaths and 100 cases of COVID-19 were recorded. , respectively.

For example: on the first day that they registered more than 100 cases, both the Community of Madrid and the Principality of Asturias accumulated 137 cases each; but from the third day, Madrid registered an increase that has placed it since then in the most affected community. In both deaths and confirmed cases we have seen a flattening of the curve.

How the outbreak has evolved in each autonomous community

Evolution of the number of confirmed cases of COVID-19 from the day in which more than 100 cases and more than 10 deaths were recorded in each autonomous community. Axis in logarithmic scale.

The rate of multiplication of the virus

The virus multiplication speed is different in each case. To find out how this spread is evolving, eldiario.es has calculated by how much the deaths have multiplied in the last three days in each autonomous community, and in the previous three days. In this way it is possible to know if the speed of spread of the disease increases or decreases.

That is, if a community has multiplied its deceased by 3x in the last three days, it means that it has tripled its deaths in that period. To find out if the speed of spread has increased or decreased, we compare that figure with the multiplication of deaths in the previous three days.

Two keys to keep in mind when analyzing the following table: deaths take a few weeks to occur since the contagion and, therefore, may represent the evolution of the epidemic two weeks ago. And they also depend on the collapse situation of the hospitals of each autonomous community or the number of tests carried out. If a person dies without a test positive, it does not count in this statistic.

We make the same comparison but taking into account only confirmed cases. By how much have infected people multiplied in each autonomous community in the last three days? Is the evolution of infections increasing or decreasing?

Since the advent of rapid tests, which measure the presence of antibodies, the evolution of the number of cases is no longer so indicative of the rhythm of the epidemic. For example, we have seen that with the arrival of these tests, many communities have detected more cases than before and may be a person who became infected long ago.

Tests carried out for every 100,000 inhabitants

As of April 30, the autonomous communities had notified the Ministry of Health of the completion of a total of 1,932,455 diagnostic tests. Of these, 1,351,130 were PCR tests (which measure the presence of the virus in the body) and 581,325 antibody tests, the so-called “rapid tests”.

In the case of PCR tests, the Community of Madrid is the one that has carried out the most tests of this type: about 300,000; but if we look at it in relative terms, La Rioja is the autonomy that proportionally more PCR has made: just over 6,800 per 100,000 inhabitants. It is also the community with the highest rate of antibody testing.

The outbreak in Spain, compared to the rest

In the same way that the expansion of the coronavirus is not being the same in all the communities, neither is it being outside our borders. Spain is one of the countries in the world most affected by the pandemic.

To compare how we are with other countries, we have calculated how the daily evolution of cases has been since the day that more than 100 infected people were detected in the countries with the most infections. The vertical scale is logarithmic: the distance between 100 and 1,000 is the same as between 1,000 and 10,000.

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