While these findings suggest strongly that AAV2, HAdV F41 and the immune response to one or both of these viruses underlie the cases of hepatitis seen around the world, larger studies are needed to confirm the findings.

Source: https://theconversation.com/we-investigated-the-cause-of-an-unexplained-outbreak-of-hepatitis-in-children-in-the-uk-heres-what-we-found-202909