Question

When a person with type O blood donates to whom can the blood be given

Answer 1

O- Blood is a universal blood type, it can be given to anyone in need.
O+ Can only be donated to people with either O+ or 0- blood types.

Answer 2

O+ 1 in 3 37.4%
O- 1 in 15 6.6%


O- can receive O-O+ can receive O+, O-O can receive O, A, B, AB