
Hepatitis B Basics | Hepatitis B | CDC - Centers for Disease …
2025年1月31日 · Hepatitis B is a vaccine-preventable liver infection caused by HBV. HBV is transmitted when blood, semen, or another body fluid from a person infected with the virus enters the body of someone who is uninfected. Hepatitis B can range from a mild, short-term, acute illness lasting a few weeks to a serious, long-term, chronic infection.
Hepatitis B - Symptoms and causes - Mayo Clinic
2024年10月4日 · Hepatitis B is a serious liver infection caused by the hepatitis B virus (HBV). For most people, hepatitis B is short term, also called acute. Acute hepatitis B lasts less than six months. But for others, the infection lasts more than six months and is called chronic. Chronic hepatitis B raises the risk of liver failure, liver cancer and ...
Hepatitis B - Wikipedia
Hepatitis B is an infectious disease caused by the hepatitis B virus (HBV) that affects the liver; [1] [6] it is a type of viral hepatitis. [7] It can cause both acute and chronic infection. [1] Many people have no symptoms during an initial infection.
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.
乙型肝炎病毒 - 维基百科,自由的百科全书
乙型肝炎病毒 (英語: Hepatitis B virus)简称乙肝病毒(HBV)。 是一种DNA病毒,属于 嗜肝DNA病毒科 (hepadnavividae)。 根据目前所知,HBV就只对人和猩猩有易感性,引发 乙型病毒性肝炎 疾病。 完整的乙肝病毒成颗粒状,也会被称为丹娜颗粒(Dane)。 1970年由丹娜发现。 直径为42纳米。 颗粒分为外壳和核心两部分,由B型肝炎病毒所引起的肝炎叫「B型肝炎」 也称为病毒的外衣壳,相当于一般病毒的包膜,由脂质双层和蛋白质组成,脂质双层内含有 乙肝表 …
Hepatitis B | Hepatitis B | CDC - Centers for Disease Control and ...
Learn the basics of hepatitis B, including symptoms, spread, prevention, vaccination, and treatment. Learn about hepatitis B testing, who should be tested, and how testing can protect your family. Learn about hepatitis B symptoms, how long it …
Clinical Overview of Hepatitis B | Hepatitis B | CDC
Hepatitis B is a vaccine-preventable disease caused by infection of the liver with the hepatitis B virus (HBV). HBV is highly infectious and transmitted when blood, semen or other body fluids from a person infected with the virus enters the body of someone who is uninfected.
乙型肝炎 - World Health Organization (WHO)
2024年4月9日 · 乙型肝炎(简称“乙肝”)是一种损害肝脏的病毒感染,可引起急性或慢性疾病。 乙肝病毒最常见的传播方式是在出生和分娩期间以及幼儿期由母亲传给孩子,还有就是通过与受感染的伴侣发生性行为时接触血液或其他体液、不安全注射或接触尖锐器具传播。 世卫组织估计,2022年,有2.54亿人有慢性乙肝感染,每年有120万新发感染者。 2022年,乙肝导致约110万人死亡,主要缘于肝硬化和肝细胞癌(原发性肝癌)。 乙肝可以通过安全、能够获得且有效的 …
Hepatitis B virus infection - Nature Reviews Disease Primers
2018年6月7日 · Hepatitis B virus (HBV) is a hepatotropic virus that can establish a persistent and chronic infection in humans through immune anergy.
乙型病毒性肝炎 - 百度百科
乙型病毒性肝炎(viral hepatitis type B)是由乙型肝炎病毒引起的以肝脏病变为主的一种传染病。 临床上以食欲减退、恶心、上腹部不适、肝区痛、乏力为主要表现。