(Washington Reuters) The United States has notified the case of children acute hepatitis with unknown children with unknown causes.The American Centers for Disease Control and Prevention is investigating the causes. There is no evidence that these cases are related to the infection or vaccine vaccine.

According to the US Centers for Disease Control and Prevention, the cases of unknown causes of acute hepatitis in children are spread all over 25 states and regions in the United States, of which 90 % of patients must be hospitalized for treatment. Five people have died of illness. 14 % of patients need liver transplantation.Adenovirus.

The Deputy Director of the Infectious Disease Control Center, the deputy director of the Infectious Disease Prevention, said to reporters: "The unusual of this is not the number of cases, but it may be related to adenovirus."

Butler pointed out that hepatitis caused by adenovirus appeared almost only in children with low immune function, and many of the unknown causes of the unknown cause of the U.S. Centers for Disease Control were in the case of acute hepatitis in children with normal immune function.

In April, the US -Disease Control Center issued warnings on the case of hepatitis of children with unknown children in Alabama in April.The information released last week showed that no one was infected with the coronary virus among these sick children.However, many children detected type 41 adenovirus. This virus usually triggers acute gastroenteritis in children, leading to vomiting, diarrhea or more severe symptoms.

The Crown Disease Control Center believes that the coronary vaccine is not associated with the case of hepatitis in children with unknown causes, because most patients have not yet reached the age of vaccine vaccine.The center is currently investigating whether the cause is related to coronary or other pathogens, drugs or animals.