FASTER, PLEASE: Study finds hope for new drugs that fight flu. “New images of the influenza A virus, whose strains cause the seasonal flu and the H1N1 “swine” flu, have revealed its Achilles’ heel, researchers say, and the finding could lead to a targeted drug that can fight all strains of the virus. The weakness stems from a basic structure in all flu viruses, called the M2 channel, which is key in helping the virus reproduce.”