Acute Hepotitis - What Do We Know So Far?

There have been over 300 cases of this illness described world wide. They've been identified in about 20 countries a the most have been identified in the united kingdom. In five % of cases, these children have actually needed a liver transplant. So their livers have failed. And what we don't know, and i think this is the scary part, is what the cause is of this illness.