The Cabinet of Ministers of Ukraine has taken a number of measures to counter the Delta strain coronavirus, in particular, foreigners and stateless persons over 12 years of age arriving in the country from India, the U.K. and Northern Ireland, the Russian Federation and Portugal are obliged to do antigen tests, according to a posting on the website of the Ministry of Health with reference to Deputy Minister of Health, Chief State Sanitary Doctor Ihor Kuzin.