The number 3 in purple above the word months.

A reduction from 12 months and another step toward an inclusive, evidence-based deferral, gbMSM can now donate after 3 months of abstinence (from male-male sex).

The 3 month period is chosen because the tests used on donations to check for infections (like HIV, syphilis, or hepatitis) have what is known as a “window period”. This is the time between someone getting an infection and tests being able to reliably detect it. The donor health questionnaire is used to reduce the risk of new infections that are missed by tests from making their way into the blood supply.

Blood-donation deferral period drops to 3 months for gay, bisexual men



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