Persons who have been detained or incarcerated in a facility (juvenile detention, lockup, jail, or prison) for more than 72 consecutive hours (3 days) cannot donate blood for 12 months from the date of last occurrence. This includes work release programs and weekend incarceration. These persons are at higher risk for exposure to infectious diseases.
Guidelines on eligibility to give blood change from time to time. The most up-to-date eligibility information can be obtained by contacting the American Red Cross blood center nearest you.