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National authorities investigating the ongoing African swine fever outbreak in Catalonia are now considering the possibility that the virus may have originated from a scientific laboratory. Their focus has narrowed to several nearby facilities as possible sources.

Outbreak Details and Industry Stakes

A total of thirteen infections of the fever have been confirmed in feral pigs in the rural areas outside Barcelona since 28 November. This has prompted Spain – the EU’s biggest exporter of pig products – to rush to control the situation before it escalates into a significant threat to the country's €8.8bn-a-year pig meat export industry.

Shifting Investigative Focus

Initially, regional officials suspected the disease may have begun after a wild boar ate contaminated meat products brought in from abroad – perhaps a thrown away meat sandwich from a truck driver.

However, the Spanish ministry of agriculture has opened a new investigation after determining that the strain of the virus found in the dead boars in Catalonia is different from the one known to be circulating in other European countries. Investigative findings indicate the strain in question is rather akin to one detected in the country of Georgia in 2007.

"The discovery of a virus similar to the one that circulated in that country does not, therefore, rule out the possibility that its origin lies in a biological containment laboratory," said the ministry.

Laboratory Connection Examined

The 'Georgia 2007' virus strain is a 'reference' virus frequently employed in scientific studies in containment facilities to research the virus or to test the efficacy of vaccines, which are currently under development. The report suggests that the virus might not have originated in livestock or animal products from any of the nations where the disease is currently active.

Official Response and Audit

In response, Salvador Illa announced he had instructed the Catalan agrifood research institute to conduct an audit of several facilities that work with the ASF pathogen within a 20km radius of the affected area.

"We isn’t ruling out any scenarios when it comes to the origin of the incident of African swine fever, but nor are we confirming any," he said. "All hypotheses remain on the table. First and foremost, we need to understand the facts."

Latest Control Measures

The authorities have confirmed 13 cases of the disease – all of them in dead wild boar found within six kilometers of the initial focus. They have said the remains of 37 more animals found in the area have been analysed, with every one showing no infection for swine fever. Experts sent to the thirty-nine swine operations within the 20km radius have detected no trace of the disease on those farms. Over 100 members from the nation's military emergencies unit have also been deployed to the region to assist law enforcement and forestry agents.

Worldwide Background of African Swine Fever

For a long time endemic to the African continent, ASF is harmless to people but often fatal to swine. In the year 2018, the disease turned up in the People's Republic of China, which is has about half of the world’s pig population. By 2019, there were concerns that as many as one hundred million animals had been culled or died. Two years later, the pathogen was confirmed to be in Germany, a country with 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 €5.1bn to other EU countries last year, and nearly €3.7bn of pig-based goods to markets outside the bloc. National statistics indicate that the country processed fifty-eight million swine in the year 2021 – an rise of forty percent from a decade earlier.