A new study published by the Centers for Disease Control and Prevention (CDC) today, <a href="https://www.cdc.gov/mmwr/volumes/71/wr/mm7118e1.htm?s_cid=mm7118e1_w">“Acute Hepatitis and Adenovirus Infection Among Children — Alabama, October 2021–February 2022”</a> provides additional clinical and epidemiologic information from an ongoing investigation involving children in Alabama with hepatitis (inflammation of the liver) of unknown cause.