"Our best form of defense remains our vaccines," said UK Health Secretary Sajid Javid. For him, it is likely that they will remain effective against serious illnesses.
Prime Minister says the measures will be temporary, until experts have better understood the seriousness of the threat of the new variant.
Variant B1.1.529 was earlier named by the World Health Organization (WHO) as Omicron. Pasta says he is under constant surveillance and analyzes measures to be taken.