COVID-19
Variante de Ómicron BA.5 detrás de nuevo brote
July 14, 2022 - Los virólogos se preocupan por el surgimiento de la variante BA.2.75 de mutación rápida de Ómicron, conocida como Centauro, que ya se propaga con más rapidez que la altamente transmisible BA.5, que actualmente causa más de 50% de los casos.
Omicron variant BA.5 was behind 52% of cases sequenced in late June, up from 37% in one week, according to the World Health Organization. BA.5 can evade the immune protection afforded either by vaccination or prior infection. BA.2.75 has a large number of extra mutations and appears to be spreading twice as fast as BA.5