The federal government is about to distribute 296,000 doses of the JYNNEOS vaccine, used against an outbreak concentrated among gay and bi men.
Some experts are saying a gay pride event could be the possible source of the recent outbreak of cases in Europe.
Some experts see a connection between the high rates of South Africans with untreated HIV and the latest COVID variant.
The change applies to those who have an undetectable viral load.
The study came from a clinic based in the heart of London's gay scene.
Johnson & Johnson's attempted vaccine didn't have the efficacy necessary for the study to continue.