A woman undergoes a rapid antigen test for Covid-19 at a testing center in Moscow.
Russia has recorded its first official case of the so-called Kraken subvariant of the Omicron variant of COVID-19, the Rospotrebnadzor state monitoring agency reporting on January 12. The highly contagious subvariant was reported in the Penza region. Kraken, which the World Health Organization on January 4 proclaimed the most transmissible known COVID-19 variant, was first detected in the United States in October. It has since been detected in several European countries. To read the original story by RFE/RL's Russian Service, click here .