Hepatitis - World Health Organization (WHO)
2019年9月1日 · Hepatitis B vaccines provide protection from HDV infection. Hepatitis E virus (HEV) is mostly transmitted through consumption of contaminated water or food. HEV is a common cause of hepatitis outbreaks in developing parts of the world and is increasingly recognized as an important cause of disease in developed countries.
Hepatitis - World Health Organization (WHO)
2024年12月5日 · Hepatitis A virus (HAV) is most common is low- and middle-income countries due to reduced access to clean and reliable water sources and the increased risk of contaminated food. A safe and effective vaccine is available to prevent hepatitis A.
Hepatitis B - World Health Organization (WHO)
2024年4月9日 · Hepatitis B is an infection of the liver caused by the hepatitis B virus. The infection can be acute (short and severe) or chronic (long term). Hepatitis B can cause a chronic infection and puts people at high risk of death from cirrhosis and liver cancer.
Hepatitis A - World Health Organization (WHO)
2023年7月20日 · Hepatitis A is an inflammation of the liver that can cause mild to severe illness. The hepatitis A virus (HAV) is transmitted through ingestion of contaminated food and water or through direct contact with an infectious person. Almost everyone recovers fully from hepatitis A with a lifelong immunity.
Hepatitis C - World Health Organization (WHO)
2024年4月9日 · Hepatitis C is an inflammation of the liver caused by the hepatitis C virus. The virus can cause both acute and chronic hepatitis, ranging in severity from a mild illness to a serious, lifelong illness including liver cirrhosis and cancer.
Hepatitis D - World Health Organization (WHO)
2023年7月20日 · Hepatitis D is an inflammation of the liver caused by the hepatitis D virus (HDV), which requires HBV for its replication. Hepatitis D infection cannot occur in the absence of hepatitis B virus. HDV-HBV co-infection is considered the most severe form of chronic viral hepatitis due to more rapid progression towards hepatocellular carcinoma and ...
Hepatitis WPRO - World Health Organization (WHO)
2024年7月28日 · Hepatitis is an inflammation of the liver. The condition can be self-limiting or can progress to fibrosis (scarring), cirrhosis or liver cancer. Hepatitis viruses are the most common cause of hepatitis in the world but other infections, toxic substances (e.g. alcohol, certain drugs), and autoimmune diseases can also cause hepatitis.
Hepatitis - World Health Organization (WHO)
2024年4月9日 · Five hepatitis viruses - hepatitis A virus (HAV), hepatitis B virus (HBV), hepatitis C virus ( HCV), hepatitis D virus (HDV) and hepatitis E virus (HEV) can infect humans and cause hepatitis. HBV and HCV infection can become chronic and cause cirrhosis and liver cancer. Data from 187 countries shows that viral hepatitis is a major public health ...
Hepatitis in China - World Health Organization (WHO)
Hepatitis B and C infections are the most common causes of liver disease, and they lead to more than 380,000 cancer-related deaths in China each year. There are 87 million people who are chronic carriers of the hepatitis B virus in China, accounting for about one-third of all hepatitis B virus chronic carriers in the world.
Hepatitis B is a preventable viral infection that damages the liver and causes cirrhosis, liver cancer and death. Hepatitis B virus is transmitted through contact with the blood, semen or other body fluids of an infected person. Infection at birth or during early childhood often results in chronic infection.