U.S. reports 180 cases of unexplained hepatitis in children, as researchers investigate potential causes

U.S. reports 180 cases of unexplained hepatitis in children, as researchers investigate potential causes.

U.S. health officials said Friday they were investigating 180 reported cases of unusual hepatitis in children in 36 states and territories dating from the past seven months.

The number is an increase from the 109 reported two weeks ago, but Jay Butler of the Centers for Disease Control and Prevention told reporters Friday that the “vast majority” of the newly accounted for cases have been retrospectively identified as health authorities expanded their investigation. Some go back to October, and just 7% occurred in the past two weeks, said Butler, the CDC’s deputy director for infectious diseases.

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