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Health

The mutation of the coronavirus in Spain “does not compromise the efficacy of possible vaccines,” according to an expert

Logroño (Spain) / The new variant of the coronavirus that causes covid-19 that has emerged in Spain “does not produce a more serious condition, nor does it compromise the efficacy of possible vaccines, although it seems that it facilitates the transmission of the virus,” the disease specialist told EFE Infectious and Clinical Genetics Vicente Soriano.

This has been detailed by Soriano, director of the Medical Center of the International University of La Rioja (UNIR), after the publication of some results, which he understands are of “virological” interest, by a team of scientists from Switzerland and the Spanish consortium SeqCovid-Spain, led by the CSIC, which conclude that this new variant has spread across Europe in recent months from Spain.

Due to his professional experience in the field of infectious diseases, he stated that this new variant of the coronavirus is “an interesting finding from a scientific point of view and reflects that SARS-CoV-2 is adapting to humans, after jumping from another species, which was its reservoir, probably bats ”.

The results published by this team of scientists allow “to trace the origin, over time, of variants of the virus, which have spread from China; and then to Europe and then to the United States ”, explained Soriano, who has developed his professional activity for 25 years at the Carlos III Hospital in Madrid, where he has led research on infectious diseases.

He believes that, “looking at genome sequences from more than 15,000 European patients, there is evidence that, at one point, probably between April and May in Spain, a new strain was generated, with a mutation at amino acid 614 of protein S (spike) of the SARS-CoV-2 envelope ”.

The spread of the strain

During the summer and from Spain, he continued, “this strain has spread throughout Europe and, now, it is the one that circulates predominantly in the second wave of covid-19.”

This is what is called the “founder effect” and reflects that it is transmitted with an advantage over the strains that circulated in the first wave, he specified.

For him, from a public health point of view, “the important thing is that this mutation does not have significance in terms of causing greater virulence or severity of the disease, nor does it compromise the efficacy of the vaccines that are being tested”, but Above all, it is a finding of scientific interest.

It has also reported that “the new SARS-CoV-2 coronavirus, although it is an RNA virus, like HIV or the hepatitis C virus, mutates little, since it has a unique enzyme that corrects errors during viral replication.”

This observation, he indicated, “allows us to have hope that we will have a vaccine.”

For AIDS or hepatitis C vaccines have not been able to be obtained so far, recalled Soriano, who is one of the national experts on hepatitis and HIV, whose publications from his research group -in the Carlos III Hospital- are among the first in the world classification of scientific impact on HIV / AIDS and Hepatitis. (November 5, 2020, EFE / PracticaEspañol)

(Automatic translation)

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Question 1
En el texto se dice que...
A
la nueva variante de ese virus parece que se transmite más rápido.
B
un especialista no cree que las vacunas para la COVID-19 vayan a ser eficaces para tratar la mutación de este virus.
C
aún no se ha comprobado que se haya producido una mutación del virus causante de la COVID-19.
Question 2
Según el texto...
A
la mutación de ese virus se expandió desde España al resto del continente europeo.
B
ese especialista considera que apenas es relevante el descubrimiento de esa nueva variante del virus.
C
los expertos ponen en duda que la nueva mutación de ese virus se haya expandido por Europa.
Question 3
Leyendo el texto entendemos que...
A
un grupo de virólogos desmiente que haya una segunda ola de coronavirus.
B
se piensa que la nueva mutación pudo haberse generado hace varios meses.
C
no es cierto que originariamente ese virus se haya propagado desde China al resto del mundo.
Question 4
Ese especialista espera que se va a encontrar una vacuna para la COVID-19.
A
No se sabe.
B
Así es.
C
Falso.
Question 5
Según el vídeo...
A
más de treinta mil personas han perdido la vida a causa del coronavirus en España.
B
por el momento no se ha registrado ningún nuevo caso de coronavirus en España.
C
no es cierto que haya confinamientos perimetrales en España para tratar de frenar la expansión de ese virus.
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