1) The amount of HIV in the blood of someone living with HIV is called their viral load

2) Without treatment, viral load can be high

3) With treatment, viral load can be made so low that it is not detectable in a blood test - this is what is meant by HIV-undetectable

4) When a person is HIV-undetectable they cannot pass on HIV through sex

5) You are not at risk from HIV if you have sex with someone who is HIV-undetectable.

Find out more about being HIV-undetectable...