05
Jan
One year after the appearance of the Omicron variant of coronavirus, the director general of the World Health Organization (WHO), Tedros Adhanom Ghebreyesus, pointed out that there are more than 500 subvariants of this strain. Furthermore, he clarified that all are highly transmissible due to the modifications they present, which allows them to more easily escape immunity. Despite the fact that Omicron remains the predominant variant in the world as the most contagious, Tedros will prevent a new strain may emerge with "significant mortality". "Gaps in surveillance, testing, sequencing and vaccination continue to create the perfect conditions for a worrisome…