The highly transmissible Omicron variant now accounts for half of the world's infections. But Omicron is an umbrella term for several closely related lineages of the SARS-CoV-2 coronavirus ...

We're back in familiar territory - growing concern about a new variant of coronavirus. It has been named Omicron by the World Health Organization, following the pattern of Greek code-names like ...

Though there is no evidence that EG.5 causes more severe symptoms than other sub-variants of the Omicron strain, experts say the new variant may more easily evade the immune system. EG.5 ...

MOSCOW, January 11. /TASS/. Omicron is replacing Delta as the dominant global coronavirus variant and the same will happen in Russia as well, Vladimir Gushchin, head of the Gamaleya Center’s ...