Diagnosis, treatment, and prevention of severe acute hepatitis of unknown etiology in children.

"Declarations Conflict of interestNo financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. The authors have no conflict of interest to declare. Jie Chen is a member of the Editorial Board for World Journal of Pediatrics. Qiang Shu is the chief editor of the journal. The paper was handled by the other Editors and has undergone a rigorous peer-review process. Authors Jie Chen and Qiang Shu were not involved in the journal's review or decisions making of this manuscript. Ethical approvalNot applicable. Conflict of interest No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. The authors have no conflict of interest to declare. Jie Chen is a member of the Editorial Board for World Journal of Pediatrics. Qiang Shu is the chief editor of the journal. The paper was handled by the other Editors and has undergone a rigorous peer-review process. Authors Jie Chen and Qiang Shu were not involved in the journal's review or decisions making of this manuscript."

"Funding Fundamental Research Funds for the Central Universities (+ 226-2022-00060) and the National Science Foundation of China (82071812)."