SIV
noun
: a retrovirus (Lentivirus simimdef) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2 of humans
called also simian immunodeficiency virus
Examples of SIV in a Sentence
Recent Examples on the Web
One of the longstanding pathways had been the SIV program, which was established in 2009 to allow Afghans who closely supported the war effort to apply for entry into America with their families.
—
Tess Kenny,
Chicago Tribune,
21 June 2026
Our team tested this theory by giving rhesus macaque monkeys infected with SIV – a version of HIV that infects nonhuman primates – a multiple sclerosis drug that targets integrins.
—
Smita S. Iyer,
The Conversation,
8 June 2026
The university uses primates to research HIV/SIV, Zika virus, aging and Alzheimer’s disease and respiratory diseases, according to Fell.
—
Corey Schmidt,
Sacbee.com,
7 May 2026
At $650, the bag positions SIV firmly in the luxury space, a bold move for a relaunch.
—
Mecca Pryor,
Essence,
22 Dec. 2025
According to the latest data from the State Department, more than 125,000 Afghans have outstanding applications for an SIV.
—
Chris Boccia,
ABC News,
5 Sep. 2025
Safi told Newsweek that many Afghans had to seek asylum and TPS status because their SIV applications were still being processed when the abrupt troop withdrawal took place four years ago.
—
Dan Gooding,
MSNBC Newsweek,
17 May 2025
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Tess Kenny,
Chicago Tribune,
21 June 2026
Our team tested this theory by giving rhesus macaque monkeys infected with SIV – a version of HIV that infects nonhuman primates – a multiple sclerosis drug that targets integrins.
—
Smita S. Iyer,
The Conversation,
8 June 2026
The university uses primates to research HIV/SIV, Zika virus, aging and Alzheimer’s disease and respiratory diseases, according to Fell.
—
Corey Schmidt,
Sacbee.com,
7 May 2026
At $650, the bag positions SIV firmly in the luxury space, a bold move for a relaunch.
—
Mecca Pryor,
Essence,
22 Dec. 2025
According to the latest data from the State Department, more than 125,000 Afghans have outstanding applications for an SIV.
—
Chris Boccia,
ABC News,
5 Sep. 2025
Safi told Newsweek that many Afghans had to seek asylum and TPS status because their SIV applications were still being processed when the abrupt troop withdrawal took place four years ago.
—
Dan Gooding,
MSNBC Newsweek,
17 May 2025
Cite this Entry
“SIV.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SIV. Accessed 5 Jul. 2026.
Copy CitationMedical Definition
SIV
noun
: a retrovirus (Lentivirus simimdef) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2 of humans
called also simian immunodeficiency virus
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