: a lentivirus (species Human immunodeficiency virus 1) that is the most prevalent HIV

called also HTLV-III

Examples of HIV-1 in a Sentence

Recent Examples on the Web Donors must be tested for HIV-1 and HIV-2, hepatitis B and C, syphilis and more to be eligible to donate their milk, according to Amy Trotter, community relations director. Lina Ruiz, Fort Worth Star-Telegram, 9 Feb. 2024 That is how the HIV-1 virus, once a death sentence in the U.S., has now become widely acknowledged in the medical community as a treatable, chronic condition with a life expectancy into the 70s. Gabrielle A. Perry, refinery29.com, 22 Dec. 2020 New insights into the evolutionary rate of HIV-1 at the within-host and epidemiological levels. Ed Yong, Discover Magazine, 16 May 2012

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'HIV-1.' 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-1 was in 1986

Dictionary Entries Near HIV-1

Cite this Entry

“HIV-1.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/HIV-1. Accessed 15 Apr. 2024.

Medical Definition

: a retrovirus of the genus Lentivirus (species Human immunodeficiency virus 1) that is the most prevalent HIV

called also HTLV-III, LAV

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