Sunday, November 27, 2011

UPDATED--"Dutch Scientists Have Genetically Altered the H5N1 Bird Flu Virus to Make it More Contagious" (could kill half humanity)

Update below.
Original post:
Or, as the folks at RT (formerly Russia Today)* headline it:

Man-made super-flu could kill half humanity 
Avian influenza virus, TEM (NIBSC/Science Photo Library)
Avian influenza virus, TEM (NIBSC/Science Photo Library)

A virus with the potential to kill up to half the world’s population has been made in a lab. Now academics and bioterrorism experts are arguing over whether to publish the recipe, and whether the research should have been done in the first place.
­The virus is an H5N1 bird flu strain which was genetically altered to become much more contagious. It was created by Ron Fouchier of the Erasmus Medical Centre in Rotterdam, the Netherlands, who first presented his work to the public at an influenza conference in Malta in September.
Fouchier said the strain circulates in animals, particularly birds, but rarely affects humans.
In the ten or so years since bird flu first emerged in Asia, fewer than 600 cases have been reported in humans. But the H5N1 strain is particularly vicious, killing roughly half of patients diagnosed with it. What stops it from becoming a major threat to public health is that it does not readily transmit from human to human. Or at least it didn’t – until now.
Researchers in Fouchier’s team used ferrets – test animals which closely mimic the human response to influenza – and transmitted H5N1 from one to another to make it more adaptable to new hosts. After 10 generations, the virus had mutated to become airborne, which means ferrets became ill from merely being near other diseased animals.
A genetic study showed that the new, dangerous strain had only five mutations compared to the original one, and all of them were earlier seen in the natural environment – just not all at once. Fouchier’s strain is as contagious as the human seasonal flu, which kills tens of thousands of people each year, but is likely to cause many more fatalities if released.

"I can't think of another pathogenic organism that is as scary as this one,"
Paul Keim, a microbial geneticist who has worked on anthrax for many years, told Science Insider. "I don't think anthrax is scary at all compared to this."...MORE
HT: Big Think

So deadly it scares the anthrax guy.
And the debate is whether to publish the recipe?

*Back in the day Russian Life was part of the Soviet propaganda and dezinformatsiya apparatus, albeit a very subdued part showing happy peasants on the new tractor. Today RT is unapologetic:
Is Russia Today Just Propaganda for Uposcrabblenyk?

UPDATE: "UPDATE: Dutch Scientists Agree to Redact Details of Super-lethal (50% Kill Rate) Genetically Modified Bird Flu"