Despite the fact that the COVID-19 pandemic is hopefully behind us, it is worth looking back not only at its medical consequences but also at the disinformation campaigns. The information referring to them is very important for strategies to counter these phenomena as effectively as possible in the future. Indeed, it was their prioritisation over science-based knowledge and recommendations that had serious consequences for public health. The most common effects of the influence of misinformation campaigns were mainly the failure to wear masks, the use of home medicine, or the refusal of vaccinations. You can read specific examples of these campaigns and their impacts in our new Coffee Beans.