Climate change and globalisation are driving the spread of new and known pathogens on a global scale. Diseases like malaria, dengue fever, leishmaniosis have become prevalent in Europe too. This keeps producing new challenges for infectiologists. From a healthcare policy perspective, there is an international question regarding the global distribution justice of vaccines and medications. Whether it is the plague, flu pandemics, or Covid-19, pandemics all share one common denominator: they change societies.