Lifeboat Foundation

The only patients to have taken the new drug so far are lab mice. But even when the mice had been exposed to lethal levels of the flu, 100 percent of the ones treated with the new treatment survived.

Promisingly, according to NPR, the new treatment was also effective at treating human lung cells grown in the lab — potentially paving the way to human trials.

“It’s a really interesting study,” Jesse Bloom, a virologist at the Fred Hutchinson Cancer Research Center who wasn’t involved with the research, told NPR. “We need more drugs in the fight against flu, and this approach could provide them.”