the amount or concentration of a virus in a given quantity of blood, saliva, mucus, or other bodily fluid, often expressed as the number of viral particles per milliliter of the fluid: When HIV treatment is effective, the viral load in the blood becomes undetectable.The droplets from a flu-infected person’s sneeze leave their viral load on whatever surface they land on.
- Also called vi·ral bur·den [vahy-ruhl bur-dn] /ˈvaɪ rəl ˈbɜr dn/ .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use viral load in a sentence
Some of these new variants, like one from the UK, are more infectious and take a smaller viral load to cause a full body invasion.
If we can speed up vaccinations and get viral loads down, we can combat the spread.Maryland Democrats call for ‘course correction’ amid regionwide frustration over vaccine rollout | Erin Cox, Rebecca Tan, Antonio Olivo | February 3, 2021 | Washington Post
Those in the placebo group also had much higher viral loads, by about a 100-fold difference, and carried the virus for three to four times as long.There’s a new COVID-19 vaccine in the running—but variants could pose a problem | Sara Chodosh | January 28, 2021 | Popular-Science
The lower the viral load an individual comes in contact with, the less sick they’re likely to get, Gandhi says.When are two masks better than one for preventing COVID-19? | Tara Santora | January 20, 2021 | Popular-Science
If they were, they likely would have had sufficient viral load to infect others.Lawmakers are testing positive for Covid-19 after the Capitol lockdown | Sean Collins | January 12, 2021 | Vox
viral load can be reduced to undetectable levels, but it never goes away.
The low viral load was a very unusual but not unheard-of finding, meaning we may never know the truth.Let’s Not Rush to Call the HIV Baby Findings a ‘Cure’ | Kent Sepkowitz | March 5, 2013 | THE DAILY BEAST
Scientific definitions for viral load
The concentration of a virus, such as HIV, in the blood.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.