The global tally of unexplained hepatitis cases within children has reached about 400, including 11 reported deaths, according to an update from the European Centre for Disease Prevention and Control .
The cases come from more than two dozen countries around the world, with about 14 countries reporting more than five cases. The countries with the largest case counts so far are the United Kingdom and the particular United States.
In the UK, officials have identified 163 cases in children under the age of 16, 11 of whom required liver transplants. Last week, the US Centers for Disease Control reported 109 cases under investigation in children under typically the age of 10 from 25 states. Of those cases, fourteen percent required liver transplants, and five children died.