There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is important for safe blood transfusions and organ transplants. Type ...

TOPEKA, Kan. (WIBW) - Community Blood Center (CBC) has issued an urgent call for types O-negative and O-positive blood, the two most crucial blood types for emergency and trauma care. Following a ...

The New York Blood Center is sounding the alarm over a critical shortage of the region’s most vital blood types—O-negative and O-positive—calling on donors across the tri-state area to act immediately ...

LITTLE ROCK, Ark. – Officials with Our Blood Institute have put out a call for Type O blood donors due to low levels following the holidays. Officials said donors are needed now to support hospitals ...

Eureka’s Northern California Community Blood Bank, the only blood supplier in Humboldt and Del Norte counties, is running dangerously low on O-positive, potentially threatening emergency transfusions ...