A worrying fourth wave of infections is becoming a reality in Europe, with infection rates increasing by more than 55% in the past week. The tense situation is not only happening in Austria or the Netherlands, but also in Germany Ok Boomer Ugly Christmas shirt. Meanwhile, the infection rate in the UK, which less than a month ago was still among the worst in Europe, is now half that of Austria. Europe has the highest rate of vaccination against Covid-19 in the world, but in recent years, the number of new cases has increased in many countries. Many analysts believe that the Covid-19 vaccine has been effective but cannot completely stop the epidemic alone.