3ef7af33__resistance_tests___HIV_i_Base__Comment
[Stage] Starting first treatment [Recommendation] Yes, BEFORE STARTING.i) People who have never had a resistance test should have a sample tested before starting treatment.ii) People who may have been reinfected with a new strain of HIV since their first resistance test may be retested before starting treatment. [Comment] 
i) Test the earliest sample. If this is not available, a current sample should be used.ii) If someone has had other exposures since diagnosis, a resistance test will limit the chance that the first treatment will fail.
Resistance 5: When to use resistance tests | HIV i-Base
Comment