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Hepatitis A is an infectious disease of the liver caused by Hepatovirus A (HAV); [7] it is a type of viral hepatitis. [8] Many cases have few or no symptoms, especially in the young. [ 1 ] The time between infection and symptoms, in those who develop them, is two–six weeks. [ 2 ]
Hepatitis A and E are mainly spread by contaminated food and water. [3] Hepatitis B is mainly sexually transmitted, but may also be passed from mother to baby during pregnancy or childbirth and spread through infected blood. [3] Hepatitis C is commonly spread through infected blood such as may occur during needle sharing by intravenous drug ...
Hepatitis D is caused by the hepatitis D virus (HDV), or hepatitis delta virus; it belongs to the genus Deltavirus. HDV is similar to a satellite virus as it can only propagate in the presence of the hepatitis B virus, depending on the helper function of HBV for its replication and expression. It has no independent life cycle, but can survive ...
In 1989, investigators from the CDC (Daniel W. Bradley) and Chiron (Michael Houghton) identified the hepatitis C virus, which had previously been known as non-A, non-B hepatitis and could not be detected in the blood supply. [12] Only in 1992 was a blood test created that could detect hepatitis C in donated blood. [12]
Hepatitis A vaccine is a vaccine that prevents hepatitis A. [2] [3] It is effective in around 95% of cases and lasts for at least twenty years and possibly a person's entire life. [4] If given, two doses are recommended beginning after the age of one. [2] It is given by injection into a muscle. [2]
Combined hepatitis A and B vaccine, is used to provide protection against hepatitis A and hepatitis B. [3] [7] It is given by injection into muscle.[8]It is used in areas where hepatitis A and B are endemic, for travelers, people with hepatitis C or chronic liver disease, and those at high risk of sexually transmitted diseases.
Liver transplantation is the standard of care in people presenting with fulminant liver failure or those with the progression of disease despite multiple lines of therapy. [33] [34] [35] Many patients, once started on long-term immunosuppressive therapy, will remain on that treatment for life.
He was diagnosed after collapsing onstage in the summer of 1994 and received a life-saving liver transplant later that year. [32] Willy DeVille: 1950–2009 One of the founders of the band Mink DeVille and a pioneer in punk rock. He was diagnosed with hepatitis C in February 2009 and was found to have pancreatic cancer during the course of his ...