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Spanish authorities investigating the recent African swine fever outbreak in the northeastern region are now exploring the chance that the disease could have escaped from a scientific laboratory. Attention has shifted to several local facilities as possible sources.

Outbreak Details and Industry Stakes

A total of thirteen infections of the fever have been identified in feral pigs in the countryside outside the Catalan capital beginning on 28 November. This has led Spain – the European Union's biggest exporter of pig products – to rush to contain the outbreak before it escalates into a serious threat to the nation's €8.8bn-a-year pig meat export sector.

Evolving Investigative Focus

Initially, local authorities believed the disease may have begun after a boar ate infected meat products imported from outside Spain – possibly a thrown away food item from a haulier.

However, the Spanish ministry of agriculture has opened a different line of inquiry after concluding that the strain of the pathogen detected in the deceased boars in the region is different from the one reported to be circulating in other EU member states. According to a report indicate the identified virus is rather similar to one detected in Georgia in 2007.

"This finding of a strain similar to the one that circulated in Georgia does not, therefore, exclude the chance that its source is a high-security facility," stated the ministry.

Research Connection Examined

The 'Georgia-2007' viral strain is a 'reference' pathogen frequently employed in experimental infections in containment facilities to research the virus or to evaluate the effectiveness of treatments, which are presently being developed. The analysis suggests that the outbreak may not have started in livestock or meat products from any of the nations where the disease is currently active.

Government Response and Audit

In response, the regional president of Catalonia stated he had instructed the regional research body to carry out an inspection of five laboratories that work with the African swine fever pathogen within a 20km radius of the outbreak site.

"The regional government isn’t ruling out any scenarios when it comes to the origin of the outbreak of this disease, but nor are we confirming any," the official stated. "All hypotheses are on the table. First and foremost, we need to know the facts."

Latest Containment Measures

The authorities have confirmed 13 cases of the disease – each one in dead wild boar located within 6km of the first detection site. Officials added the corpses of 37 more animals found in the area have been tested, with all testing negative for the virus. Experts dispatched to the thirty-nine swine operations within the 20km radius have detected no trace of the disease on those farms. Over one hundred personnel from the country's emergency response forces have additionally been sent to the region to work alongside police officers and wildlife rangers.

Global Background of ASF

For a long time endemic to Africa, African swine fever is harmless to humans but frequently fatal to pigs. In the year 2018, the disease emerged in China, which is has about half of the global pig population. By the following year, there were concerns that as many as one hundred million pigs had been culled or died. Two years later, the pathogen was detected to be in the Federal Republic of Germany, home to one of the European Union's biggest pig farming industries.

The Country's Pivotal Position in Pork Production

Spain, which is the European Union's largest pork producer, exported pork products worth 5.1 billion euros to other EU countries last year, and almost €3.7bn of pig-based goods to destinations outside Europe. Official data show that Spain processed fifty-eight million pigs in the year 2021 – an rise of forty percent from a ten years prior.