There does not appear to be enough donated blood to meet demand among hospitals and patients in need, according to the nonprofit.
The federal government is taking steps to keep the nation's blood supply from being tainted with the Zika Virus. Friday morning, the FDA advised all blood banks to start screening donations.
Joining us this week on Up Close to discuss ways of reducing the number of teen driving deaths are Robert Sinclair, a spokesperson for the Triple A, and Karen Perrone, a driver's ed teacher
The supply is now down to less than a day for O Negative and less than 2 days for B Negative.
Since the shooting Sunday at Orlando LGBT nightclub Pulse, American LGBT activists have pointed out that many members of the community targeted by the shooter are still not allowed to donate blood that could help save victims.
It's difficult for gay men to donate blood to help those who had been shot at a nightclub in Orlando because of a long-standing government policy.