Last year, reports of severe, unexplained hepatitis in previously healthy children puzzled health experts around the world.Now, a small new study of American children adds to the evidence that the cases, which remained extremely rare, may have been caused by a simultaneous infection with multiple common viruses, including one known as adeno-associated virus type 2, or AAV2.
#back #united-states #san-francisco #researchers #collaboration #disease-control #institutions #world-health-organization #young-children #health-experts
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