: either of two retroviruses that infect and destroy helper T cells of the immune system causing the marked reduction in their numbers that is diagnostic of AIDS

called also AIDS virus, human immunodeficiency virus

compare hiv-1, hiv-2

Examples of HIV in a Sentence

Recent Examples on the Web See The Disruptors The money comes from a federal program designed to provide care to indigent HIV and AIDS patients. Liam Dillon, Los Angeles Times, 30 June 2024 As of Monday, pharmacists can prescribe and dispense medicine that can prevent an HIV infection after exposure if taken within 72 hours. Gabriela Henriquez Stoikow, Orlando Sentinel, 30 June 2024 He's worked with seven presidents and steered the U.S. response to countless crises from HIV to Ebola and, of course, COVID. ABC News, 30 June 2024 One patient ended up unconscious for 24 hours after taking what he was led to believe was his HIV medication but was actually an anti-psychotic drug, prosecutors say. Eleanor Pringle, Fortune, 28 June 2024 See all Example Sentences for HIV 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'HIV.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1986, in the meaning defined above

Time Traveler
The first known use of HIV was in 1986

Dictionary Entries Near HIV

Cite this Entry

“HIV.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/HIV. Accessed 4 Jul. 2024.

Kids Definition

: any of a group of viruses that infect and destroy helper T cells causing the marked reduction in their numbers that is diagnostic of AIDS

Medical Definition

1
: either of two retroviruses (species Human immunodeficiency virus 1 and 2 of the genus Lentivirus) that infect and destroy helper T cells of the immune system and that when left untreated cause AIDS

Note: HIV retroviruses are transmitted through contact with blood, semen, rectal and vaginal fluids, or breast milk and typically cause flu-like symptoms during the acute phase of infection, but often cause few or no symptoms during the chronic phase of infection when treated with antiretroviral drugs.

called also AIDS virus, human immunodeficiency virus

compare hiv-1, hiv-2
2
: the infection or disease caused by HIV
Last Updated: - Updated example sentences
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