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US identifies 109 cases of severe hepatitis, including 5 deaths, in children
The cases have been identified over the past seven months in 25 states and territories, Dr. Jay Butler, deputy director for infectious diseases at the US Centers for Disease Control and Prevention (CDC), said during a conference call.
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In this file photo taken on March 19, 2021, the Emergency Operations Center at the Centers for Disease Control and Prevention in Atlanta, Georgia. The US Centers for Disease Control and Prevention is investigating 109 childhood cases of a mysterious form of hepatitis, including five reported deaths, the agency said on May 6, 2022. (AFP/Eric Baradat)
U
S health officials on Friday said they are investigating 109 cases of severe hepatitis of unknown origin in children, including five reported deaths, updating a nationwide alert issued in April for doctors to be on the lookout for such cases of the liver disease.
The cases have been identified over the past seven months in 25 states and territories, Dr. Jay Butler, deputy director for infectious diseases at the US Centers for Disease Control and Prevention (CDC), said during a conference call.
Fourteen of the children required liver transplants.
Butler said around half of the 109 children diagnosed with hepatitis were also infected with a type of adenovirus, a virus that causes the common cold, but the agency is still investigating the exact cause of the illness.
Hepatitis linked to this type of adenovirus has almost exclusively been associated with immunocompromised children, but many of the cases first reported to the CDC did not have immunocompromising conditions, Butler said.
He said the "vast majority" of the identified children were not eligible for COVID vaccination, which "appears to be unrelated to these cases."
The CDC is investigating whether COVID infection may be playing a role, as well as exposure to other pathogens, medications and animals.
Compared to pre-pandemic rates, the agency said it has not seen an overall increase in the incidence of severe hepatitis in children, which remains rare.
The update follows investigations in the United States and Europe of clusters of hepatitis in young children.
The World Health Organization earlier this week said it had received reports of at least 228 probable cases from 20 countries with over 50 additional cases under investigation.
The CDC said it is working with counterparts in Europe to understand the cause of the infections that can cause liver damage and lead to liver failure.
Health authorities think the cases might be linked to a wave of type of virus called adenovirus, but are trying to confirm the theory.
Ninety percent of the US cases have involved hospitalization, with 14 percent requiring liver transplants. The median age of the cases is two-years-old, and the majority fully recovered.
The CDC issued a health alert in late April notifying doctors and public health authorities to be on the lookout for similar cases, and began examining records extending back to October 1, 2021.
A study released last week focusing on nine cases in Alabama ruled out other common exposures, including hepatitis viruses A, B, and C, which are normally the cause of the disease.
The CDC does not think the cases are linked to COVID vaccination because the "vast majority" of cases are too young to be eligible, said Butler.
Jaundice and vomiting are the most common symptoms experienced by the children affected.
