COVID-19 EMERGENCY – Page 2 – Blog del Instituto de Matemáticas de la Universidad de Sevilla

How can we understand the number of infections published daily?

9 November, 2020 Renato Álvarez-Nodarse0

This entry concerns the interpretation of official daily infection data. For some time now, the authorities have been informing us on a daily basis about the number of confirmed infections by PCR (Polymerase Chain Reaction), […]

Early confinement saves lives and ends up helping the economy

31 October, 2020 Antonio J. Durán1

Using the methodology explained in two previous posts (this one and this one), one could deduce on 23 September that between 10,000 and 40,000 infected per week could have gone undetected during that month. If […]

How mathematics can help us understand the second COVID-19 wave in Andalusia

3 October, 2020 Jesús Cuevas Maraver2

As usual since March, most of us have been concerned about the development of COVID-19. After a pause of a couple of months in which the pandemic seemed to take a short break thanks to […]

Even now, confinement can save lives

24 September, 2020 Antonio J. Durán0

We have already written a couple of entries showing the impact that early and strong confinement measures have on reducing the number of deaths from the current Covid-19 epidemic (see Covid-19: early confinement helps save […]

The opening of schools in times of pandemic: the case of Andalusia

19 September, 2020 Renato Álvarez-Nodarse y Niurka R. Quintero1

We will begin this post with a statement of principles that will soon be understood as to why it is necessary: in Science not everything goes. The term scientific evidence used to justify measures of […]

What can be the meaning of the number of detected people infected by Covid-19 at the beginning of September?

12 September, 2020 Antonio J. Durán2

With great concern, we have been witnessing, almost since mid-July, how the number of those infected by COVID-19, as compiled by the Department of Health, has reached and even surpassed (in quite a few Autonomous […]

“Packing” the students in the classroom

10 September, 2020 Renato Álvarez-Nodarse y Niurka R. Quintero1

At the time of writing this paper we are almost six months into the pandemic (covid-19) and by all indications we will still have some time until Science can find an effective vaccine that will […]

Confinement has saved hundreds of thousands of lives

14 June, 2020 Antonio J. Durán0

Almost three months ago, we launched the COVID-19 Emergency section in this blog to make Mathematics cast some light and perspective on the situation caused by the coronavirus epidemic. The first entry was published on […]

How does a virus infect us? (II)

26 May, 2020 Renato Álvarez-Nodarse, Francisco J. Esteban y Niurka R. Quintero0

In a previous post How does a virus infect us? we briefly described the initial phase of an infection. Our aim in this entry is to present a simple mathematical model that is interesting enough […]

Sero-epidemiological survey of coronavirus: preliminary report and some conclusions

18 May, 2020 Antonio J. Durán1

The preliminary report of the ENE-COVID19 sero-epidemiological study which has been carried out by the Spanish Department of Science and Innovation and the Spanish Department of Health since 27 April, was published on Wednesday. The […]

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