Maybe it’s because the pandemic has had it under control for quite some time, or maybe it’s because our immune systems are still “out of shape” due to the effects of social distancing. It appears that Strep A is affecting a greater number of people than in the past. In Milan in particular, the bacterium circulated more and had a greater impact in the six months between 2022 and 2023 than in the five years before Covid-19.