Blood types
8 types.
Every one essential.
Click any type to see compatibility, current donor supply, and open requests. O− is the universal donor. AB+ is the universal recipient.
A+
Can donate to: 2 types
3
donors ready
1
open requests
Explore A+ →
A−
Can donate to: 4 types
2
donors ready
0
open requests
Explore A− →
B+
Can donate to: 2 types
2
donors ready
0
open requests
Explore B+ →
B−
Can donate to: 4 types
2
donors ready
0
open requests
Explore B− →
AB+
Universal recipient
Can donate to: 1 types
0
donors ready
0
open requests
Explore AB+ →
AB−
Can donate to: 2 types
1
donors ready
1
open requests
Explore AB− →
O+
Can donate to: 4 types
4
donors ready
1
open requests
Explore O+ →
O−
Universal donor
Can donate to: 8 types
3
donors ready
1
open requests
Explore O− →