The three thirty day period deferral interval for MSM is on par with the 3-month deferral period for numerous other behavioural categories carrying a better likelihood of unrecognised HIV infection, such as individuals engaging in sexual intercourse work and folks who have resided in a nation which has a significant (1% or additional) HIV prevalence. Prior to April 2020, this 3-thirty day period ban was the exact 12-month period placed on MSMs.