The O blood group is the universal blood group. O- can be transfused to all blood groups and O+ can be transfused to all positive blood groups.

The Western Cape Blood Service aims to maintain a blood stock level of 5 days for each blood group.

O+

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O-

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A+

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A-

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B+

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B-

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AB+

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AB-

Tooltip text

The O blood group is the universal blood group. O- can be transfused to all blood groups and O+ can be transfused to all positive blood groups.

The Western Cape Blood Service aims to maintain a blood stock level of 5 days for each blood group.

O+

Tooltip text

O-

Tooltip text

A+

Tooltip text

A-

Tooltip text

B+

Tooltip text

B-

Tooltip text

AB+

Tooltip text

AB-

Tooltip text

The O blood group is the universal blood group. O- can be transfused to all blood groups and O+ can be transfused to all positive blood groups.

The Western Cape Blood Service aims to maintain a blood stock level of 5 days for each blood group.

O+

Tooltip text

O-

Tooltip text

A+

Tooltip text

A-

Tooltip text

B+

Tooltip text

B-

Tooltip text

AB+

Tooltip text

AB-

Tooltip text
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