Each autumn, Munich's Oktoberfest transforms the ancient ritual of communal gathering into something more than celebration — this year, health officials have woven preventive medicine directly into the festival's fabric, offering flu and COVID-19 vaccinations alongside the first poured beer. The crowded beer tents, long a symbol of human conviviality, are also ideal corridors for respiratory illness, and with fewer than one in three eligible people receiving flu shots annually, public health workers have chosen to meet people not where they ought to be, but where they already are. It is a quie