Chicago area low on two universal blood types

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Thursday, September 17, 2015

CHICAGO (WLS) -- Supplies of two universal blood types are low here in the Chicago area.

LifeSource is urging people with O-positive and O-negative blood to make a donation.

They say O-positive is the most common blood type, and most people can accept O-negative regardless of their blood type.

According to LifeSource, O-negative the type most commonly used in trauma cases.