hepatitis C

noun

: an acute or chronic hepatitis that is caused by a flavivirus (Hepacivirus hominis), is often asymptomatic in its early stages but may be marked by fatigue, fever, nausea, loss of appetite, abdominal tenderness, and muscle and joint pain, and is usually transmitted by infected blood (such as by injection of an illicit drug, blood transfusion, or exposure to blood or blood products)

Note: The acute or short-term stage of hepatitis C typically progresses to a long-term or chronic infection which often leads to liver damage, liver failure, or liver cancer.

Examples of hepatitis C in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Less than a decade ago, high prices similarly slowed the uptake of hepatitis C antivirals. Michael Rose, STAT, 3 Apr. 2026 If left untreated, hepatitis C can cause liver disease or liver cancer. Ciara McCarthy 2, Fort Worth Star-Telegram, 2 Apr. 2026 That first test for hepatitis C can be done right in the clinic, but the second confirmatory test usually has to be sent to a central lab. Pranjal Malewar, New Atlas, 19 Dec. 2025 Kaye had quadruple bypass heart surgery in 1983 and contracted hepatitis C from a blood transfusion. Victoria Edel, PEOPLE, 23 Dec. 2025 See All Example Sentences for hepatitis C

Word History

First Known Use

1978, in the meaning defined above

Time Traveler
The first known use of hepatitis C was in 1978

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Cite this Entry

“Hepatitis C.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hepatitis%20C. Accessed 7 Jul. 2026.

Medical Definition

: an acute or chronic hepatitis that is caused by a flavivirus (Hepacivirus hominis), is often asymptomatic in its early stages but may be marked by fatigue, fever, nausea, loss of appetite, abdominal tenderness, and muscle and joint pain, and is usually transmitted by infected blood (as by injection of an illicit drug, blood transfusion, or exposure to blood or blood products)

Note: The acute or short-term stage of hepatitis C typically progresses to a long-term or chronic infection which often leads to liver damage, liver failure, or liver cancer.

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