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National authorities investigating the recent African swine fever incident in the northeastern region are now considering the chance that the disease could have originated from a research facility. Attention has narrowed to five nearby labs as possible points of origin.

Confirmed Cases and Industry Concerns

Thirteen cases of the virus have been identified in wild boars in the rural areas outside the Catalan capital since 28 November. This has prompted the country – the European Union's largest exporter of pig products – to scramble to contain the outbreak before it escalates into a significant risk to the nation's €8.8bn-a-year pig meat export industry.

Evolving Theories of Origin

Initially, regional authorities believed the disease may have begun after a boar consumed infected food imported from outside Spain – perhaps a thrown away food item from a truck driver.

However, the national ministry of agriculture has opened 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 circulating in other EU member states. Investigative findings indicate the strain in question is rather similar to one found in Georgia in the year 2007.

"The discovery of a strain similar to the one that circulated in that country does not, therefore, rule out the possibility that its source lies in a biological containment facility," said the agriculture department.

Research Link Examined

The 'Georgia-2007' viral strain is a 'standard' pathogen commonly employed in experimental infections in containment facilities to research the virus or to evaluate the effectiveness of treatments, which are presently under development. The analysis suggests that the outbreak might not have started in livestock or animal products from any of the countries where the disease is currently present.

Government Response and Audit

In reaction, Salvador Illa announced he had instructed the regional research body to carry out an inspection of several facilities that handle the ASF virus within a 20-kilometer distance of the outbreak site.

"We isn’t ruling out any possibilities when it comes to the origin of the outbreak of this disease, but nor are we confirming any," he said. "All hypotheses are on the table. First and foremost, we need to understand what happened."

Current Control Efforts

The agriculture ministry have confirmed thirteen infections of the virus – all of them in deceased feral pigs located within 6km of the first detection site. They have said the remains of 37 more wild animals found in the zone have been tested, with all testing negative for swine fever. Experts sent to the 39 swine operations within the 20km radius have found no trace of the disease on those farms. More than one hundred personnel from the nation's emergency response forces have additionally been deployed to the area to work alongside law enforcement and forestry agents.

Global Context of ASF

Long endemic to the African continent, ASF is harmless to people but frequently fatal to pigs. In the year 2018, the disease emerged in the People's Republic of China, which is has about 50% of the world’s pig population. By the following year, there were concerns that as many as 100 million pigs had been lost. Subsequently, the virus was confirmed to be in the Federal Republic of Germany, a country with one of the European Union's biggest swine herds.

The Country's Pivotal Role in Meat Exports

The nation, which is the European Union's biggest producer of pig meat, exported pork products worth €5.1bn to other EU countries in the previous year, and nearly €3.7bn of pig-based goods to destinations outside Europe. Official data indicate that Spain slaughtered fifty-eight million swine in the year 2021 – an increase of forty percent from a ten years prior.