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Spanish authorities probing the ongoing African swine fever incident in Catalonia are now exploring the possibility that the virus may have escaped from a scientific laboratory. Their focus has narrowed to five local labs as possible points of origin.

Confirmed Cases and Industry Concerns

A total of thirteen cases of the virus have been identified in wild boars in the countryside outside the Catalan capital beginning on 28 November. This has led the country – the EU’s largest exporter of pig products – to rush to control the situation before it becomes a significant threat to the country's €8.8bn-a-year pig meat export sector.

Evolving Theories of Origin

At first, local authorities suspected the outbreak started after a wild boar consumed contaminated meat products imported from outside Spain – perhaps a thrown away food item from a truck driver.

However, the national ministry of agriculture has initiated a different investigation after determining that the variant of the pathogen detected in the dead boars in Catalonia is not the same as the one reported to be present in other EU member states. Investigative findings suggest the identified virus is rather similar to one found in the country of Georgia in 2007.

"The discovery of a virus similar to the one that circulated in Georgia does not, therefore, exclude the possibility that its origin lies in a biological containment facility," said the agriculture department.

Research Link Explored

The 'Georgia 2007' viral strain is a 'standard' virus frequently employed in scientific studies in secure labs to research the disease 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 countries where the disease is currently active.

Official Response and Audit

In response, Salvador Illa stated he had ordered the Catalan agrifood research institute to conduct an inspection of several laboratories that work with the ASF virus 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 incident of this disease, but neither is it confirming any," he said. "All hypotheses are open. Above all, we need to know what happened."

Current Containment Measures

The agriculture ministry have confirmed thirteen infections of the disease – all of them in deceased feral pigs found within six kilometers of the initial focus. Officials added the corpses of an additional 37 animals discovered in the area have been analysed, with all showing no infection for the virus. Specialists dispatched to the 39 pig farms within the 20km radius have detected no sign of the disease on those farms. More than 100 members from the nation's emergency response forces have additionally been deployed to the region to assist law enforcement and wildlife rangers.

Worldwide Background of African Swine Fever

For a long time native to Africa, ASF is harmless to humans but frequently fatal to pigs. In 2018, the virus turned up in the People's Republic of China, which is has about half of the global pig population. By the following year, there were fears that up to one hundred million pigs had been culled or died. Subsequently, the virus was confirmed to be in Germany, home to one of the European Union's biggest swine herds.

The Country's Crucial Position in Meat Production

The nation, which is the EU’s largest producer of pig meat, exported pork products worth €5.1bn to other European nations last year, and almost 3.7 billion euros of pig-based goods to destinations outside the bloc. Official data show that the country slaughtered 58 million pigs in the year 2021 – an increase of 40% from a ten years prior.