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National authorities investigating the recent ASF incident in Catalonia are now exploring the chance that the disease may have originated from a research facility. Attention has shifted to five local facilities as possible sources.

Confirmed Cases and Economic Stakes

Thirteen cases of the virus have been identified in wild boars in the rural areas outside the Catalan capital beginning on 28 November. This has prompted Spain – the European Union's largest pork exporter – to rush to control the situation before it becomes a serious risk to the country's multi-billion euro pig meat export industry.

Evolving Investigative Focus

Initially, local officials believed the outbreak may have begun after a boar consumed infected food brought in from outside Spain – perhaps a discarded meat sandwich from a truck driver.

However, the Spanish ministry of agriculture has opened a new line of inquiry 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 European countries. According to a report indicate the identified virus is instead similar to one found in the country of Georgia in the year 2007.

"This finding of a strain similar to the one that was present in that country does not, therefore, exclude the chance that its origin is a biological containment laboratory," said the ministry.

Laboratory Connection Explored

The 'Georgia-2007' viral strain is a 'standard' virus frequently used in experimental infections in secure labs to research the disease or to evaluate the effectiveness of vaccines, which are currently under development. The analysis implies that the outbreak may not have originated in animals or animal products from any of the nations where the disease is currently present.

Official Response and Review

In response, Salvador Illa stated he had ordered the regional research body to conduct an inspection of several laboratories that handle the ASF virus within a 20km 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," he said. "All hypotheses remain open. Above all, we need to understand what happened."

Current Containment Efforts

The authorities have reported 13 cases of the virus – each one in deceased feral pigs found within 6km of the initial focus. Officials added the corpses of 37 more animals found in the zone have been analysed, with every one testing negative for swine fever. Experts sent to the thirty-nine pig farms within the surrounding zone have detected no sign of the illness on those farms. More than 100 personnel from the country's emergency response forces have additionally been sent to the region to assist police officers and wildlife rangers.

Worldwide Background of ASF

Long native to the African continent, African swine fever is not dangerous to people but frequently fatal to pigs. In 2018, the disease emerged in the People's Republic of China, which is has about 50% of the world’s pigs. By 2019, there were fears that up to 100 million pigs had been culled or died. Subsequently, the pathogen was confirmed to be in Germany, home to one of the EU’s biggest swine herds.

Spain's Pivotal Position in Meat Production

The nation, which is the European Union's largest pork producer, sold pork products worth 5.1 billion euros to other European nations in the previous year, and nearly 3.7 billion euros of pig-based goods to destinations outside Europe. Official data show that the country slaughtered fifty-eight million pigs in 2021 – an rise of forty percent from a ten years prior.