Western Europe's diphtheria epidemic hits vulnerable populations

French researchers are drawing attention to the biggest diphtheria epidemic in Western Europe in seven decades, particularly affecting vulnerable populations such as migrants and the homeless. Diphtheria, a highly contagious bacterial infection, can take severe forms, affecting the respiratory tract or the skin. In 2022, the European Center for Disease Prevention and Control reported 362 cases, underlining the need for increased vigilance and targeted action.