The CDC is still searching for the cause of mysterious liver illness in kids NBC NewsWHO says over 900 probable cases of acute hepatitis reported in children Yahoo NewsInterim Analysis of Acute Hepatitis of Unknown Etiology in Children Aged 10 Years — United States, October 2021–June 2022 | MMWR Centers for Disease Control and Prevention (.gov)Mysterious child hepatitis continues to vex researchers Nature.comAcute Hepatitis Cases in Children Show Declining Trend; Adenovirus, COVID-19 Remain Key Leads Medscape