National officials probing the ongoing African swine fever outbreak in the northeastern region are now exploring the possibility that the virus could have originated from a scientific laboratory. Their focus has shifted to five nearby labs as possible points of origin.
A total of thirteen infections of the fever have been identified in feral pigs in the rural areas outside Barcelona since 28 November. This has led Spain – the EU’s largest exporter of pig products – to scramble to control the situation before it becomes a serious risk to the country's €8.8bn-a-year pork export sector.
Initially, regional officials believed the disease may have begun after a boar ate infected meat products brought in from abroad – perhaps a thrown away food item from a truck driver.
However, the Spanish ministry of agriculture has initiated a new investigation after concluding that the variant of the pathogen found in the dead animals in the region is different from the one reported to be present in other EU member states. Investigative findings suggest the strain in question is instead similar to one found in the country of Georgia in the year 2007.
"The discovery of a strain similar to the one that was present in Georgia does not, therefore, rule out the chance that its origin lies in a high-security laboratory," stated the ministry.
The 'Georgia 2007' virus strain is a 'standard' pathogen frequently employed in scientific studies in secure labs to research the disease or to evaluate the effectiveness of vaccines, which are presently under development. The analysis implies that the virus may not have started in livestock or meat products from any of the countries where the infection is currently present.
In response, the regional president of Catalonia announced he had ordered the regional research body to carry out an inspection of several laboratories that handle the ASF pathogen within a 20km radius of the outbreak site.
"The regional government isn’t ruling out any possibilities when it comes to the source of the outbreak of this disease, but neither is it confirming any," he said. "All hypotheses are on the table. Above all, we need to understand the facts."
The agriculture ministry have confirmed 13 cases of the virus – each one in deceased feral pigs found within six kilometers of the first detection site. Officials added the remains of 37 more animals discovered in the area have been tested, with every one showing no infection for swine fever. Specialists dispatched to the 39 swine operations within the 20km radius have detected no trace of the illness on those farms. More than one hundred personnel from the country's military emergencies unit have additionally been sent to the region to assist law enforcement and forestry agents.
Long endemic to Africa, African swine fever is harmless to humans but frequently fatal to pigs. In the year 2018, the virus emerged in China, which is has about half of the world’s pigs. By 2019, there were fears that up to one hundred million animals had been culled or died. Subsequently, the pathogen was detected to be in the Federal Republic of Germany, home to one of the EU’s largest pig farming industries.
The nation, which is the European Union's largest pork producer, sold pig meat products worth 5.1 billion euros to other EU countries in the previous year, and nearly 3.7 billion euros of pig-based goods to markets outside Europe. Official statistics indicate that Spain processed fifty-eight million pigs in the year 2021 – an increase of forty percent from a ten years prior.
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