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National authorities investigating the ongoing ASF outbreak in the northeastern region are now exploring the chance that the virus could have escaped from a research facility. Their focus has narrowed to several local facilities as possible sources.

Confirmed Cases and Industry Concerns

A total of thirteen infections of the virus have been identified in feral pigs in the rural areas outside Barcelona since 28 November. This has led the country – the European Union's biggest pork exporter – to rush to contain the outbreak before it escalates into a significant risk to the nation's €8.8bn-a-year pork export sector.

Evolving Investigative Focus

At first, local officials believed the disease may have begun after a boar ate contaminated meat products brought in from abroad – possibly a thrown away food item from a haulier.

However, the Spanish agriculture ministry has opened a different line of inquiry after concluding that the variant of the pathogen found in the dead boars in the region is different from the one reported to be circulating in other European countries. According to a report indicate the strain in question is rather akin to one found in Georgia in the year 2007.

"This finding of a strain similar to the one that was present in that country does not, therefore, rule out the possibility that its origin lies in a biological containment laboratory," stated the agriculture department.

Laboratory Link Explored

The 'Georgia 2007' virus strain is a 'reference' virus commonly used in experimental infections in secure labs to study the virus or to evaluate the efficacy of treatments, which are currently being developed. The report implies that the outbreak might not have originated in animals or animal products from any of the nations where the disease is currently present.

Official Response and Audit

In response, Salvador Illa stated he had ordered the regional research body to conduct an audit of several facilities that handle the ASF pathogen within a 20km radius of the outbreak site.

"We are not excluding any possibilities when it comes to the source of the outbreak of this disease, but nor are we confirming any," he said. "All hypotheses remain on the table. Above all, we need to understand what happened."

Current Control Measures

The agriculture ministry have confirmed 13 cases of the virus – all of them in dead wild boar located within six kilometers of the initial focus. Officials added the corpses of 37 more animals discovered in the area have been tested, with all testing negative for swine fever. Specialists dispatched to the 39 pig farms within the surrounding zone have found no trace of the disease on those farms. Over 100 personnel from the nation's emergency response forces have additionally been deployed to the region to assist law enforcement and forestry agents.

Worldwide Context of ASF

Long native to Africa, African swine fever is harmless to people but often deadly to pigs. In 2018, the virus emerged in the People's Republic of China, which is has about half of the world’s pig population. By the following year, there were concerns that up to 100 million pigs had been culled or died. Two years later, the pathogen was confirmed to be in the Federal Republic of Germany, home to one of the European Union's biggest swine herds.

The Country's Pivotal Role in Pork Exports

The nation, which is the European Union's biggest producer of pig meat, exported pig meat products worth 5.1 billion euros to other EU countries in the previous year, and nearly €3.7bn of pig-based goods to markets outside Europe. National statistics indicate that the country processed fifty-eight million swine in 2021 – an rise of 40% from a ten years prior.