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Spanish officials probing the recent African swine fever outbreak in Catalonia are now exploring the chance that the virus may have escaped from a scientific laboratory. Attention has narrowed to several local facilities as possible sources.

Outbreak Details and Economic Stakes

Thirteen infections of the virus have been confirmed in feral pigs in the rural areas outside the Catalan capital beginning on 28 November. This has prompted the country – the EU’s biggest exporter of pig products – to scramble to contain the situation before it becomes a significant threat to the nation's multi-billion euro pig meat export industry.

Evolving Investigative Focus

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

However, the Spanish ministry of agriculture has initiated a different investigation after concluding that the variant of the virus detected in the deceased boars in the region is different from the one reported to be present in other European countries. According to a report suggest the identified virus is instead similar to one found in Georgia in 2007.

"The discovery of a strain similar to the one that was present in Georgia does not, therefore, exclude the possibility that its source is a high-security laboratory," said the ministry.

Research Link Explored

The 'Georgia-2007' virus strain is a 'standard' pathogen commonly employed in experimental infections in secure labs to research the virus or to test the effectiveness of vaccines, which are presently under development. The analysis implies that the outbreak may not have originated in animals or meat products from any of the nations where the infection is currently active.

Government Actions and Review

In reaction, Salvador Illa stated he had ordered the regional research body to conduct an audit of five laboratories that handle the African swine fever pathogen within a 20km radius of the affected area.

"We 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 understand the facts."

Current Control Efforts

The authorities have reported 13 cases of the virus – all of them in deceased wild boar located within 6km of the initial focus. They have said the corpses of an additional 37 wild animals discovered in the zone have been analysed, with all showing no infection for the virus. Specialists sent to the 39 swine operations within the surrounding zone have found no sign of the illness on those farms. More than one hundred members from the nation's military emergencies unit have additionally been sent to the area to work alongside law enforcement and forestry agents.

Global Background of African Swine Fever

For a long time endemic to the African continent, ASF is not dangerous to people but frequently fatal to pigs. In 2018, the virus emerged in China, which is has about 50% of the world’s pigs. By the following year, there were fears that as many as one hundred million pigs had been lost. Two years later, the virus was confirmed to be in the Federal Republic of Germany, a country with one of the European Union's largest swine herds.

Spain's Pivotal Role in Meat Exports

Spain, which is the EU’s largest pork producer, sold pig meat products worth €5.1bn to other European nations last year, and nearly €3.7bn of pig-based goods to destinations outside the bloc. Official statistics show that the country slaughtered 58 million swine in the year 2021 – an rise of 40% from a decade earlier.