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National officials probing the ongoing ASF outbreak in Catalonia are now exploring the chance that the virus may have escaped from a research facility. Attention has narrowed to five local facilities as potential points of origin.

Confirmed Cases and Industry Concerns

A total of thirteen infections of the fever have been identified in wild boars in the countryside outside Barcelona since 28 November. This has prompted Spain – the European Union's largest pork exporter – to scramble to control the situation before it escalates into a significant risk to the nation's multi-billion euro pig meat export industry.

Shifting Theories of Origin

At first, local officials believed the disease started after a wild boar ate contaminated food brought in from outside Spain – perhaps a thrown away food item from a truck driver.

However, the Spanish ministry of agriculture has initiated a different investigation after concluding that the variant of the pathogen detected in the deceased animals in the region is different from the one reported to be present in other EU member states. According to a report indicate the identified virus is instead akin to one found in the country of Georgia in 2007.

"The discovery of a strain like the one that circulated in Georgia does not, therefore, rule out the chance that its source is a high-security facility," stated the ministry.

Laboratory Connection Explored

The 'Georgia-2007' viral strain is a 'reference' virus commonly used in experimental infections in containment facilities to study the virus or to evaluate the effectiveness of treatments, which are currently being developed. The analysis implies that the outbreak may not have started in animals or meat products from any of the nations where the infection is currently present.

Government Response and Review

In reaction, Salvador Illa announced he had instructed the regional research body to conduct an audit of five facilities that handle the African swine fever pathogen within a 20-kilometer radius of the outbreak site.

"We are not excluding any scenarios when it comes to the origin of the incident of African swine fever, but neither is it confirming any," he said. "All hypotheses remain on the table. First and foremost, we need to understand what happened."

Latest Control Measures

The agriculture ministry have confirmed 13 cases of the disease – each one in deceased wild boar located within 6km of the initial focus. Officials added the corpses of 37 more animals discovered in the area have been analysed, with every one showing no infection for the virus. Experts dispatched to the thirty-nine swine operations within the surrounding zone have found no sign of the illness on those farms. More than 100 personnel from the country's military emergencies unit have also been deployed to the area to work alongside police officers and wildlife rangers.

Global Background of African Swine Fever

For a long time native to the African continent, ASF is harmless to people but frequently deadly to pigs. In 2018, the disease turned up in China, which is has about half of the global pigs. By 2019, there were concerns that as many as one hundred million animals had been lost. Two years later, the pathogen was detected to be in Germany, a country with one of the EU’s largest swine herds.

Spain's Pivotal Role in Meat Exports

The nation, which is the EU’s biggest producer of pig meat, exported pork products worth 5.1 billion euros to other EU countries last year, and nearly 3.7 billion euros of pig-based goods to markets outside the bloc. Official data indicate that Spain processed 58 million swine in 2021 – an rise of forty percent from a decade earlier.