Diseases, Conditions, Syndromes

What may be behind the unexplained cases of hepatitis in kids?

Several countries, including the U.S., have identified or are investigating unexplained hepatitis cases in children. While the reported cases are appearing in clusters, they remain rare. About 200 children are affected worldwide.

Diseases, Conditions, Syndromes

When to get a COVID-19 booster

If you recently had COVID-19, you may be wondering if you should delay getting your booster. We asked James Moy, MD, an immunologist in the Department of Internal Medicine at RUSH who is studying the antibody levels and duration ...

Diseases, Conditions, Syndromes

Mystery liver disease kills three children in Indonesia

Three children in Indonesia have died from a mysterious liver disease, the country's health ministry said, raising to at least four the global death toll of a fatal ailment puzzling doctors from the US to Asia.

Diseases, Conditions, Syndromes

Virus might be behind mystery child hepatitis cases: US agency

Nine young children from Alabama affected by a mysterious hepatitis (inflammation of the liver) all tested positive for a common pathogen called adenovirus 41, a study by the US health agency said Friday.

Diseases, Conditions, Syndromes

EU concerned over mystery hepatitis cases in children

The European Union's infectious diseases agency on Thursday said unexplained severe cases of hepatitis in young children were "a public health event of concern".

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Hepatitis

Hepatitis (plural hepatitides) implies injury to the liver characterized by the presence of inflammatory cells in the tissue of the organ. The name is from ancient Greek hepar (ἧπαρ), the root being hepat- (ἡπατ-), meaning liver, and suffix -itis, meaning "inflammation" (c. 1727). The condition can be self-limiting, healing on its own, or can progress to scarring of the liver. Hepatitis is acute when it lasts less than six months and chronic when it persists longer. A group of viruses known as the hepatitis viruses cause most cases of liver damage worldwide. Hepatitis can also be due to toxins (notably alcohol), other infections or from autoimmune process. It may run a subclinical course when the affected person may not feel ill. The patient becomes unwell and symptomatic when the disease impairs liver functions that include, among other things, removal of harmful substances, regulation of blood composition, and production of bile to help digestion.

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