MOSCOW,  – Antibodies, which are developed after the infection with delta strain of the coronavirus, may not protect from the new omicron strain and vice versa, Director General of the DNKOM Center for Molecular Genetic Studies Andrei Isayev told TASS. “Big number of mutations means that the virion of this strain structurally differs from virions of other strains – they have different spike proteins. That is why the antibodies developed by those who earlier had suffered from other strains or got vaccinated cannot brace omicron. That means that there will … Continue reading Antibodies against delta strain may not protect against omicron and vice versa – expert