The World Health Organization (WHO) coordinates international measures against pandemics, supports states and distributes resources in times of crisis. But now, on the first day of his second term in office, Donald Trump has announced the United States’ withdrawal from the WHO. What impact would this have on the international fight against pandemics? Prof. Michael Hoelscher, head of Fraunhofer ITMP location Immunology, Infection and Pandemic Research IIP in Penzberg/Munich, gives his assessment of the possible consequences in an interview with the Apotheken-Umschau.