Japan reports child with acute liver disease of unknown origin, and Canada investigating similar cases, with nearly 200 now recorded worldwide

A mysterious liver disease that has infected children in a dozen countries around the world has reached Asia, with a case reported in Japan.

The case in Japan of acute hepatitis – or inflammation of the liver – of unknown origin was flagged by local authorities on 21 April in a child who had tested negative for adenovirus – a possible cause being investigated worldwide – and Covid-19.