hepatitis B

noun

: an acute or chronic hepatitis that is caused by a DNA virus (species Hepatitis B virus of the genus Orthohepadnavirus, family Hepadnaviridae), is marked chiefly by fatigue, fever, nausea, vomiting, abdominal pain, darkened urine, jaundice, and joint pain but may be asymptomatic, and is transmitted especially by contact with infected blood (as by transfusion or by sharing contaminated needles in illicit intravenous drug use) or by contact with other infected bodily fluids (such as semen)

Note: The acute form of hepatitis B, a mild illness lasting several weeks to months, may progress to long-term or chronic infection often leading to liver damage, liver failure, or liver cancer.

called also serum hepatitis

Examples of hepatitis B in a Sentence

Recent Examples on the Web

After watching a young woman almost die of liver failure after contracting hepatitis B, the doctor helped to create a program offering free shots to school children. —Anne Flaherty, ABC News, 4 Feb. 2025

The three doses of the vaccine for hepatitis B, which are recommended for children, cost under $100. —Lauren Leffer, Popular Science, 30 Jan. 2025

Shortly after birth, newborns in the United States receive a few quick procedures: an Apgar test to check their vitals, a heel stick to probe for genetic disorders and various other conditions, and in most cases, a hepatitis B vaccine. —Nicholas Florko, The Atlantic, 29 Jan. 2025

Recognizing that not just viral infection rates but social conventions guide people’s choices about care was the key to driving down hepatitis B transmission. —Jyoti Madhusoodanan, Scientific American, 15 Oct. 2024

Word History

First Known Use

1971, in the meaning defined above

Rhymes for hepatitis B

• actuary
• antiquary
• bolsheviki
• calliope
• chelicerae
• covenantee
• cruciferae
• diastole
• distributee
• hyperbole
• interviewee
• origami

Medical Definition

hepatitis B

noun

-ˈbē 

: an acute or chronic hepatitis that is caused by a double-stranded DNA virus (species Hepatitis B virus of the genus Orthohepadnavirus, family Hepadnaviridae), is marked chiefly by fatigue, fever, nausea, vomiting, abdominal pain, darkened urine, jaundice, and joint pain but may be asymptomatic, and is transmitted especially by contact with infected blood (as by transfusion or by sharing contaminated needles in illicit intravenous drug use) or by contact with other infected body fluids (as semen)

Note: The acute form of hepatitis B, a mild illness lasting several weeks to months, may progress to long-term or chronic infection often leading to liver damage, liver failure, or liver cancer.

called also serum hepatitis