The new FLiRT variant of coronavirus infection is more contagious than its predecessors. However, vaccination remains an effective preventive measure, says Ihor Kuzin, Deputy Minister of Health – Chief State Sanitary doctor of Ukraine. According to Kuzin, the first reports about the new subvariant began appearing in March. Over the following months, many countries reported an increase in Covid-19 cases. For instance, in the United States, the rates rose by 25%. “This is one of the subvariants that is characterized by even faster transmission from person to person and a greater ability to evade…