Lab Leak or Wild Boar Snack? Spain’s Swine Fever Mystery Has the Pork World on Edge

African swine fever is back in the headlines, and this time the story reads more like a thriller than a textbook case report. Spain, the European Union’s top pork producer, is investigating whether a recent outbreak of swine fever near Barcelona could be linked to a laboratory leak. For veterinary professionals, the situation raises urgent questions about biosecurity, surveillance, and how research and real world disease control intersect.