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Spanish authorities probing the ongoing African swine fever outbreak in Catalonia are now considering the chance that the disease may have originated from a scientific laboratory. Their focus has narrowed to several nearby labs as possible sources.

Outbreak Details and Industry Concerns

A total of thirteen infections of the virus have been identified in feral pigs in the countryside outside the Catalan capital beginning on 28 November. This has led Spain – the EU’s biggest pork exporter – to scramble to contain the situation before it becomes a significant risk to the country's €8.8bn-a-year pork export industry.

Shifting Investigative Focus

Initially, local authorities believed the outbreak may have begun after a boar ate infected meat products brought in from outside Spain – possibly a discarded meat sandwich from a haulier.

However, the national agriculture ministry has opened a different investigation after determining that the variant of the pathogen detected in the dead animals in Catalonia is different from the one known to be present in other European countries. According to a report indicate the strain in question is instead similar to one detected in the country of Georgia in 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 facility," stated the ministry.

Research Link Explored

The 'Georgia-2007' virus strain is a 'reference' pathogen commonly employed in experimental infections in secure labs to research the virus or to test the effectiveness of treatments, which are currently being developed. The report suggests that the virus might not have originated in livestock or meat products from any of the countries where the infection is currently active.

Official Response and Review

In response, Salvador Illa announced he had ordered the regional research body to carry out an inspection of several laboratories that handle the African swine fever virus within a 20-kilometer radius of the outbreak site.

"The regional government are not excluding any scenarios when it comes to the source of the outbreak of this disease, but nor are we confirming any," the official stated. "Every theory remain open. Above all, we need to know the facts."

Current Containment Measures

The agriculture ministry have reported 13 cases of the virus – each one in dead wild boar found within 6km of the initial focus. Officials added the corpses of 37 more wild animals found in the area have been tested, with every one testing negative for the virus. Specialists dispatched to the 39 swine operations within the surrounding zone have detected no trace of the disease on those farms. Over 100 members from the country's emergency response forces have additionally been deployed to the region to work alongside police officers and forestry agents.

Worldwide Background of ASF

For a long time endemic to the African continent, African swine fever is harmless to people but often deadly to swine. In 2018, the disease turned up in the People's Republic of China, which is home to about 50% of the global pig population. By the following year, there were concerns that as many as one hundred million animals had been lost. Subsequently, the pathogen was confirmed to be in the Federal Republic of Germany, home to one of the EU’s largest swine herds.

The Country's Crucial Position in Pork Exports

Spain, which is the European Union's biggest pork producer, sold pig meat products worth 5.1 billion euros to other EU countries last year, and nearly €3.7bn of pork products to destinations outside Europe. National data indicate that Spain processed 58 million swine in 2021 – an increase of 40% from a decade earlier.