Skip to main content

The three categories of HIV viral load #SayZero


With proper adherence, antiretroviral treatment (ART also called antiretrovirals or ARVs) can reduce HIV to such low levels that the virus can no longer be detected in normal blood tests. This is called having an ‘undetectable’ viral load.  

An undetectable viral load means there is zero chance of passing HIV on through sex. This is also known as undetectable = untransmittable (U=U). 

Explore more

Share this page

  • Last updated: 06 November 2023
  • Last full review: 26 October 2023
  • Next full review: 26 October 2026
Did you find this page useful?
See what data we collect and why