Since it first spread in 2019, Covid-19 has caused mutations. A day ago, the World Health Organization (WHO) warned of a new scenario that is more contagious than the previous ones.
The variant called Kraken by Professor Ryan Gregory of the University of Guelph is present in 25 countries and accounts for 40. 5 percent of the coronavirus in the United States alone.
Along these lines, the epidemiologist and biostatistician at the University of Chile, Gabriel Cavada, warned about the micrometric subvariant XBB. 1. 5. “There will be between 6 and nine times the most contagious variants that will circulate today,” Cavada said.
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The subvariant was first detected at the October 2022 final in New York. Kraken drew attention to “the maximum transmissible variant detected,” according to WHO COVID epidemiology specialist Maria Van Kerkhove.
Kraken the XBB variant, also known as Gryphon, a hybrid between BA. 2. 75 and BA. 2. 10. 1.
According to Gabriel Cavad, Kraken is “sometimes even more contagious. “He also states that the incubation period is “much shorter”. For its part, the WHO states that this variant may be “up to 50% faster than Omicron”.
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El nombre fue atribuido por Ryan Gregory, Profesor de la Universidad de Guelph (Canadá) y hace alusión al monstruo marino de la mitología nórdica. “XBB.1.5 se gana un apodo con su ventaja de crecimiento récord y su escape inmunológico muy alto”, explicó en sus redes sociales.
Los expertos afirman que los síntomas de la variante XBB.1.5 son leves. “Es menos probable que aparezcan los síntomas más graves”, explicó Andrew Pekosz, virólogo de Universidad Johns Hopkins.
Among them are:
Asimismo, estudios han mostrado que “Kraken” podría producir faringitis y afonía.
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Experts say that the XBB. 1 strain “better evades the immune defenses received through vaccination or previous infection. ”
La variante Kraken contiene 14 mutaciones de la proteína Spike. Esto, según los especialistas, le confiere mayor resistencia a los anticuerpos. La universidad de Columbia afirmó que esta mutación tiene 63 veces menos probabilidades de ser neutralizada por anticuerpos en sangre.