This unexpected relationship between the two subunits could inspire a number of different therapies or vaccines for H5N1 that rely on muzzling the "dragon's" jaws with another molecule or chemical compound that would block the PB1 subunit's access to the PA site, according to Joachimiak. "If we can put a bit in the dragon's mouth, we can slow or even potentially someday stop the spread of avian flu," he said. "Since we are talking about a relatively small protein surface area, finding a way to inhibit RNA replication in H5N1 seems very feasible."

Paul Stamets I believe has discovered somewhat of a cure for H5N1 from a type of mushroom found in the redwoods or some such. .

Here's him at TED:
http://www.ted.com/index.php/talks/paul_stamets_on_6_ways_mushrooms_can_save_the_world.html

Pretty amazing stuff, developing ways of cleaning oil infused soil and turning it fertile quicker and better than anything else, insect pesticides based on mushrooms that can target one specific species of bug, and econol, a fuel generated from mushroom mycelia. And more. Just got his book Mycelium Running: How Mushrooms Can Help Save The World, really amazing stuff.