March 28, 2023

Lakeview Gazette

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Coronavirus: la OMS investiga una subvariante de Ómicron que ya se se detectó en diez países | Se la denomina provisoriamente BA 2.75

The Organization Mundial de la Salud (OMS) is investigating what could be a new variant of Omicron. Si bien todavía no tiene denominación oficial, algunos cientificos la denominan BA 2.75fue detected por primera vez en India a principios del mes pasado y Ya se extendedió a ten países.

Soumya Swaminathan, chief scientific officer of the WHO in India, said through the social networks that “Esta posible subvariante parece tener algunas mutations en la proteina Spike”which is the one that allows the entry of the virus into the cells of the human body.

Para la cientifica”es temprano para saber si esta subvariante tiene propiedades para una invasión additional immune o si es clinicamente más severa. We don’t know this yet, we have to wait and see what the Scientific Committee of the WHO says, which is analyzing all the data in the world.”

Swaminathan dijo además que “se trata de una subvariante que es muy diferente a las anteriores y que tiene propiedades suficate para que la veamos con inquietude“.

Dónde apareció la nueva subvariante

This new subvariant of the coronavirus was found for the first time in a sequence taken in India at the beginning of June and then It has been detected in Australia, Canada, Japan, Germany, New Zealand, Reino Unido and the United States. In a matter of weeks, the variant appeared in more than 80 sequences around the world.

Shay Fleishon, del Laboratorio Central de Virología del Centro Médico de Sheba, en Tel Hashomer, Israel, calificó a la nueva subvariante de “alarmante” y subrayó que, aunque es demasiado pronto para saber si será la “próxima variante dominante”podría implicar una tendencia futura.

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Fleishon explained in a Twitter thread that in the last few months a tendency has been observed for variants based on Omicron lineages with mutations in the S1 section of the Spike protein, specifically, in the part that the virus uses to connect and enter the cells, at a level that was not seen in the variants of the second generation.

Until now, sin embargo, estas variants de segunda generación sólo se habian encontrago en unos pocos casos dentro de una region. This is the first time that a variant of the second generation of Omicron extends to multiple regions.