It’s official, for the first time in decades there will be no flu season in Europe. Although the influenza virus has been detected sporadically in the past few weeks, the spread is not sufficient for what is called in medicine to be epidemic. The northern hemisphere should actually be at the height of the flu wave, which in a city the size of Vienna is defined as such if more than 10,000 people are infected within a week. If a decline occurs twice in a row, it is considered to have been overcome. This is usually the case during March. The absence of the flu season is of course due to the comprehensive measures taken to contain the coronavirus pandemic – and allows at least three important conclusions.