Spain Swine Fever Outbreak Expands Beyond Containment Zone in Catalonia

Spain’s swine fever outbreak has widened beyond its original containment zone in the northeastern region of Catalonia, marking the first time the virus has been detected outside the restricted area since it resurfaced late last year.

Regional authorities confirmed that additional cases of African swine fever have been identified in wild boars, including infections discovered beyond the previously established six-kilometer control perimeter near Barcelona. The development has prompted officials to strengthen preventive measures in an effort to halt further transmission.

African swine fever is a highly contagious viral disease that affects pigs and wild boars. While it poses no threat to human health, it is almost always fatal for infected animals and can cause significant economic damage to the pork industry.

According to Catalonia’s agriculture department, 13 new infections have recently been recorded in wild boar populations. Two of those cases were located outside the initial containment zone, leading authorities to expand the high-risk area to include additional municipalities.

Access to nearby forested areas has been temporarily restricted to reduce movement that could contribute to the virus spreading further among wildlife. Officials are closely monitoring the situation and increasing surveillance efforts in surrounding regions.

Although the disease has not reached domestic pig farms, the outbreak has already affected Spain’s pork exports. Spain is one of the world’s leading pork producers, and disruptions linked to animal health concerns have raised worries within the agricultural sector.

This resurgence marks Spain’s first confirmed outbreak of African swine fever since 1994. Since the virus reappeared in November, more than 100 cases have been detected in wild boars across Catalonia.

Regional Agriculture Minister Oscar Ordeig urged continued vigilance, warning that the presence of the virus in wildlife remains a serious concern. He stressed that preventive efforts must remain strict to avoid spillover into commercial livestock operations.

Authorities have yet to determine the source of the outbreak. A judicial investigation is currently underway as officials attempt to trace how the virus was reintroduced after decades without reported cases.

The expansion of the containment zone underscores the challenges of controlling African swine fever once it enters wild animal populations. Experts note that managing infections in wild boars is particularly difficult due to their mobility and interaction with rural environments.

Officials say further updates will depend on ongoing surveillance results, as Spain works to prevent broader economic and agricultural consequences.