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Pathogen-research laws queried

Scientists fear EU biosafety rules could complicate publication of work on infectious diseases.

Virology research runs the risk of being caught up in European red tape. Credit: Dimas Ardian/Getty Images

Leading virologists have written to the president of the European Commission to urge him to clarify how laws designed to curb the proliferation of biological weapons apply to the publication of research on dangerous pathogens. The move by the European Society for Virology (ESV) comes after a Dutch court in September upheld a government order that scientists who engineered forms of H5N1 avian influenza to make them transmissible between mammals needed to seek an export permit before publishing such work.

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The ESV’s five-page letter to José Manuel Barroso, dated 16 October, warns that the court ruling sets an unwelcome precedent. H5N1 is just one of more than 100 dangerous human, animal and plant pathogens and toxins that fall under European Union (EU) export-control legislation from 2009. This means, say the virologists, that any EU scientist who works on one of the listed pathogens could be forced to apply for an export permit before publishing their research.

They write that to better inform courts and policy-makers on scientific issues related to biosecurity laws, the European Commission should consider creating an equivalent of the US National Science Advisory Board for Biosecurity — an independent committee in Bethesda, Maryland, that advises on issues of biosecurity and dual-use research (findings that could be adapted for harmful purposes).

The ESV also backs the case of Ron Fouchier, a virologist at the Erasmus Medical Center (EMC) in Rotterdam, the Netherlands, whose team engineered the H5N1 strains. It was Fouchier’s attempt to publish this work that led to the export-licence order. He has been fighting it — and on 31 October, the EMC contested the ruling in the Amsterdam Court of Appeal.

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The origin of the ESV’s letter dates back to 2011, when Fouchier tried to publish a paper in Science that describes how he engineered H5N1 strains that could be transmitted through the air between ferrets. This prompted a global outcry over the biosecurity of such ‘gain-of-function’ research — experiments designed to increase the transmissibility or pathogenicity of organisms (see nature.com/mutantflu). The Dutch government subsequently invoked European export-control legislation to oblige Fouchier and the EMC to obtain an export permit before publishing their work. Fouchier initially threatened to defy the government, but conceded and applied for a permit under protest in April last year. The government granted it a few days later.

Fouchier has argued that the EMC should not have needed a permit because the work fell under an exemption of EU export-control laws for ‘basic scientific research’. He also said that the methods described had already been published. But these arguments were rejected by the court, which added in its ruling that the need to prevent the proliferation of biological weapons outweighed any delays in publication caused by government reviews of such papers.

Giorgio Palù, a virologist at the University of Padua in Italy and president of the ESV, finds it particularly unsettling that the court also ruled that it was not up to Fouchier himself to decide whether to apply for an export permit. Palù thinks this could mean that researchers working on any of the listed dangerous pathogens in the Netherlands, and perhaps in the whole of the EU, might automatically have to request export permits if they intend to publish papers on them.

But Thijs van Son, a spokesman for the Dutch foreign-affairs ministry, says that this is not the case. He adds that according to Dutch government policy, the decision on whether to apply for an export permit still lies with the researcher.

“If the researcher is convinced that the export-control legislation is not applicable to his research, he can decide not to apply for an export licence,” says van Son. “However, if he is mistaken, he risks committing an offence and receiving a fine or imprisonment.” Authorities, he adds, are happy to advise researchers on whether they need a permit.

“ If the benefits outweigh the risks, the export licence will be granted. ”

Van Son also says that the ESV letter is correct that the ruling could lead to an increase in the number of papers that Dutch authorities are asked to review. But he says that the export-control law is an essential component of international efforts to halt the proliferation of chemical and biological weapons.

“The licence requirement enables the export-control authorities to assess the proliferation and security risks of, for example, gain-of-function research against the public-health benefits and the freedom to share scientific information,” he says. “If the benefits outweigh the risks, the export licence will be granted. This was the case with the application of Professor Fouchier.”

The Dutch H5N1 case is an unprecedented test of the 2009 EU export laws, and it is not clear how other member states would handle a similar case. Ben Berkhout, a virologist at the University of Amsterdam and a member of the ESV’s executive board, says that the ruling has caused uncertainty as to what it covers. “Most work on these pathogens is totally harmless,” he adds. He fears that the ruling will lead to added bureaucracy, and feels that it would be much better for governments to focus on the experiments that carry the greatest risks.

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Butler, D. Pathogen-research laws queried. Nature 503, 19 (2013). https://doi.org/10.1038/503019a

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