The COVID-19 pandemic's aftereffects are still felt in Europe, with a notable increase in infections among children, particularly mycoplasma pneumoniae, which surged three-fold in Denmark compared to pre-pandemic years. Despite the rise in cases, the severity of infections has not increased. The concept of 'immunity debt' is discussed, explaining that reduced virus circulation during the pandemic has led to a resurgence of infections as restrictions lifted. Experts emphasize the importance of vaccination to address this immunity gap, while also noting that healthcare systems are under strain from these rising infection rates. Teljes cikk (Euronews.com)