CMV

Abbreviation with 3 meanings

CMV
Stands forCytomegalovirus
Meanings3
CategoriesMedical, Texting & Internet Slang, Transportation & Travel

CMV has three meanings. The most common are Cytomegalovirus (infectious disease) and Change my view (social media); it can also stand for Commercial motor vehicle.

Meanings of CMV at a glance

#CMV stands forContext
1CytomegalovirusMedical › Infectious Disease
2Change my viewTexting & Internet Slang › Social Media
3Commercial motor vehicleTransportation & Travel › Driving

1. Cytomegalovirus

Medical · Infectious Disease Abbreviations

Common herpesvirus that infects most adults, usually without symptoms, and stays latent for life. It causes serious disease in transplant recipients and people with advanced HIV, and congenital CMV is the most common infection passed from mother to baby, a leading nongenetic cause of childhood hearing loss.

Example: Kidney transplant recipient with CMV viremia 12,000 IU/mL; start valganciclovir treatment dose.

Also called human herpesvirus 5; "cytomegalo" refers to the enlarged infected cells with "owl's eye" inclusions seen under the microscope. Roughly 1 in 200 babies is born with congenital CMV. Ganciclovir, valganciclovir and letermovir prophylaxis are used in transplant care. Several US states require newborn CMV screening.

2. Change my view

Texting & Internet Slang · Social Media Abbreviations

Invitation for others to argue against the poster's opinion, from Reddit's r/changemyview. Posters state a view and award a "delta" to anyone who changes their mind.

Example: CMV: tipping culture in the US has gotten completely out of hand.

Founded in 2013 by Scottish student Kal Turnbull, the subreddit is known for rules that require civil debate and genuine openness to persuasion. Researchers have used its archives to study persuasive argument. The format also appears on X and in classroom debates.

3. Commercial motor vehicle

Transportation & Travel · Driving Abbreviations

Federal term for a vehicle used in commerce that has a gross vehicle weight rating of 10,001 pounds or more, is designed to carry 9 or more people including the driver for pay or 16 or more without pay, or hauls placarded hazardous materials. CMVs are subject to FMCSA safety rules.

Example: Even a box truck over 10,001 pounds counts as a CMV, so the driver needs a medical card.

Not every CMV requires a commercial driver's license; the CDL threshold is generally 26,001 pounds. CMV drivers must carry a Department of Transportation medical certificate and follow hours-of-service rules. State definitions for intrastate commerce can differ.

More infectious disease abbreviations

  • BSI – Bloodstream infection
  • C. diff – Clostridioides difficile
  • CD4 – Cluster of differentiation 4 (CD4 T-cell count)
  • CDI – Clostridioides difficile infection
  • COVID-19 – Coronavirus disease 2019
  • CRAB – Carbapenem-resistant Acinetobacter baumannii
  • CRE – Carbapenem-resistant Enterobacterales
  • CT – Chlamydia trachomatis

See all 92 infectious disease abbreviations →

More social media abbreviations

  • AMA – Ask me anything
  • AMOS – Add me on Snapchat
  • BTS – Behind the scenes
  • BYF – Before you follow
  • CTTO – Credit to the owner
  • CW – Content warning
  • DAE – Does anyone else...?
  • DITL – Day in the life

See all 106 social media abbreviations →

This entry is for general education and is not medical advice. Abbreviation use varies between institutions; always confirm in context.